20145937500

素因数分解:

$2^2\times 3^2\times 5^7\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:106

約数の個数: 576

約数和(自身を含む): 74648246400

約数和(自身を除く): 54502308900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 25, 26, 29, 30, 36, 38, 39, 45, 50, 52, 57, 58, 60, 65, 75, 76, 78, 87, 90, 95, 100, 114, 116, 117, 125, 130, 145, 150, 156, 171, 174, 180, 190, 195, 225, 228, 234, 247, 250, 260, 261, 285, 290, 300, 325, 342, 348, 375, 377, 380, 390, 435, 450, 468, 475, 494, 500, 522, 551, 570, 580, 585, 625, 650, 684, 725, 741, 750, 754, 780, 855, 870, 900, 950, 975, 988, 1044, 1102, 1125, 1131, 1140, 1170, 1235, 1250, 1300, 1305, 1425, 1450, 1482, 1500, 1508, 1625, 1653, 1710, 1740, 1875, 1885, 1900, 1950, 2175, 2204, 2223, 2250, 2262, 2340, 2375, 2470, 2500, 2610, 2755, 2850, 2900, 2925, 2964, 3125, 3250, 3306, 3393, 3420, 3625, 3705, 3750, 3770, 3900, 4275, 4350, 4446, 4500, 4524, 4750, 4875, 4940, 4959, 5220, 5510, 5625, 5655, 5700, 5850, 6175, 6250, 6500, 6525, 6612, 6786, 7125, 7163, 7250, 7410, 7500, 7540, 8125, 8265, 8550, 8700, 8892, 9375, 9425, 9500, 9750, 9918, 10875, 11020, 11115, 11250, 11310, 11700, 11875, 12350, 12500, 13050, 13572, 13775, 14250, 14326, 14500, 14625, 14820, 15625, 16250, 16530, 16965, 17100, 18125, 18525, 18750, 18850, 19500, 19836, 21375, 21489, 21750, 22230, 22500, 22620, 23750, 24375, 24700, 24795, 26100, 27550, 28125, 28275, 28500, 28652, 29250, 30875, 31250, 32500, 32625, 33060, 33930, 35625, 35815, 36250, 37050, 37500, 37700, 40625, 41325, 42750, 42978, 43500, 44460, 46875, 47125, 47500, 48750, 49590, 54375, 55100, 55575, 56250, 56550, 58500, 59375, 61750, 62500, 64467, 65250, 67860, 68875, 71250, 71630, 72500, 73125, 74100, 78125, 81250, 82650, 84825, 85500, 85956, 90625, 92625, 93750, 94250, 97500, 99180, 106875, 107445, 108750, 111150, 112500, 113100, 118750, 121875, 123500, 123975, 128934, 130500, 137750, 140625, 141375, 142500, 143260, 146250, 154375, 156250, 162500, 163125, 165300, 169650, 178125, 179075, 181250, 185250, 187500, 188500, 203125, 206625, 213750, 214890, 217500, 222300, 234375, 235625, 237500, 243750, 247950, 257868, 271875, 275500, 277875, 281250, 282750, 292500, 296875, 308750, 312500, 322335, 326250, 339300, 344375, 356250, 358150, 362500, 365625, 370500, 406250, 413250, 424125, 427500, 429780, 453125, 463125, 468750, 471250, 487500, 495900, 534375, 537225, 543750, 555750, 562500, 565500, 593750, 609375, 617500, 619875, 644670, 652500, 688750, 703125, 706875, 712500, 716300, 731250, 771875, 812500, 815625, 826500, 848250, 890625, 895375, 906250, 926250, 937500, 942500, 1015625, 1033125, 1068750, 1074450, 1087500, 1111500, 1178125, 1187500, 1218750, 1239750, 1289340, 1359375, 1377500, 1389375, 1406250, 1413750, 1462500, 1484375, 1543750, 1611675, 1631250, 1696500, 1721875, 1781250, 1790750, 1812500, 1828125, 1852500, 2031250, 2066250, 2120625, 2137500, 2148900, 2265625, 2315625, 2356250, 2437500, 2479500, 2671875, 2686125, 2718750, 2778750, 2812500, 2827500, 2968750, 3046875, 3087500, 3099375, 3223350, 3262500, 3443750, 3534375, 3562500, 3581500, 3656250, 3859375, 4062500, 4078125, 4132500, 4241250, 4453125, 4476875, 4531250, 4631250, 4712500, 5165625, 5343750, 5372250, 5437500, 5557500, 5890625, 5937500, 6093750, 6198750, 6446700, 6796875, 6887500, 6946875, 7068750, 7312500, 7718750, 8058375, 8156250, 8482500, 8609375, 8906250, 8953750, 9062500, 9140625, 9262500, 10331250, 10603125, 10687500, 10744500, 11578125, 11781250, 12187500, 12397500, 13359375, 13430625, 13593750, 13893750, 14137500, 15437500, 15496875, 16116750, 16312500, 17218750, 17671875, 17812500, 17907500, 18281250, 19296875, 20390625, 20662500, 21206250, 22384375, 23156250, 23562500, 25828125, 26718750, 26861250, 27187500, 27787500, 29453125, 30993750, 32233500, 34437500, 34734375, 35343750, 36562500, 38593750, 40291875, 40781250, 42412500, 43046875, 44768750, 46312500, 51656250, 53015625, 53437500, 53722500, 57890625, 58906250, 61987500, 67153125, 69468750, 70687500, 77187500, 77484375, 80583750, 81562500, 86093750, 88359375, 89537500, 103312500, 106031250, 111921875, 115781250, 117812500, 129140625, 134306250, 138937500, 154968750, 161167500, 172187500, 173671875, 176718750, 201459375, 212062500, 223843750, 231562500, 258281250, 265078125, 268612500, 309937500, 335765625, 347343750, 353437500, 387421875, 402918750, 447687500, 516562500, 530156250, 559609375, 671531250, 694687500, 774843750, 805837500, 1007296875, 1060312500, 1119218750, 1343062500, 1549687500, 1678828125, 2014593750, 2238437500, 3357656250, 4029187500, 5036484375, 6715312500, 10072968750, 20145937500]

約数ペア:

[(1, 20145937500), (2, 10072968750), (3, 6715312500), (4, 5036484375), (5, 4029187500), (6, 3357656250), (9, 2238437500), (10, 2014593750), (12, 1678828125), (13, 1549687500), (15, 1343062500), (18, 1119218750), (19, 1060312500), (20, 1007296875), (25, 805837500), (26, 774843750), (29, 694687500), (30, 671531250), (36, 559609375), (38, 530156250), (39, 516562500), (45, 447687500), (50, 402918750), (52, 387421875), (57, 353437500), (58, 347343750), (60, 335765625), (65, 309937500), (75, 268612500), (76, 265078125), (78, 258281250), (87, 231562500), (90, 223843750), (95, 212062500), (100, 201459375), (114, 176718750), (116, 173671875), (117, 172187500), (125, 161167500), (130, 154968750), (145, 138937500), (150, 134306250), (156, 129140625), (171, 117812500), (174, 115781250), (180, 111921875), (190, 106031250), (195, 103312500), (225, 89537500), (228, 88359375), (234, 86093750), (247, 81562500), (250, 80583750), (260, 77484375), (261, 77187500), (285, 70687500), (290, 69468750), (300, 67153125), (325, 61987500), (342, 58906250), (348, 57890625), (375, 53722500), (377, 53437500), (380, 53015625), (390, 51656250), (435, 46312500), (450, 44768750), (468, 43046875), (475, 42412500), (494, 40781250), (500, 40291875), (522, 38593750), (551, 36562500), (570, 35343750), (580, 34734375), (585, 34437500), (625, 32233500), (650, 30993750), (684, 29453125), (725, 27787500), (741, 27187500), (750, 26861250), (754, 26718750), (780, 25828125), (855, 23562500), (870, 23156250), (900, 22384375), (950, 21206250), (975, 20662500), (988, 20390625), (1044, 19296875), (1102, 18281250), (1125, 17907500), (1131, 17812500), (1140, 17671875), (1170, 17218750), (1235, 16312500), (1250, 16116750), (1300, 15496875), (1305, 15437500), (1425, 14137500), (1450, 13893750), (1482, 13593750), (1500, 13430625), (1508, 13359375), (1625, 12397500), (1653, 12187500), (1710, 11781250), (1740, 11578125), (1875, 10744500), (1885, 10687500), (1900, 10603125), (1950, 10331250), (2175, 9262500), (2204, 9140625), (2223, 9062500), (2250, 8953750), (2262, 8906250), (2340, 8609375), (2375, 8482500), (2470, 8156250), (2500, 8058375), (2610, 7718750), (2755, 7312500), (2850, 7068750), (2900, 6946875), (2925, 6887500), (2964, 6796875), (3125, 6446700), (3250, 6198750), (3306, 6093750), (3393, 5937500), (3420, 5890625), (3625, 5557500), (3705, 5437500), (3750, 5372250), (3770, 5343750), (3900, 5165625), (4275, 4712500), (4350, 4631250), (4446, 4531250), (4500, 4476875), (4524, 4453125), (4750, 4241250), (4875, 4132500), (4940, 4078125), (4959, 4062500), (5220, 3859375), (5510, 3656250), (5625, 3581500), (5655, 3562500), (5700, 3534375), (5850, 3443750), (6175, 3262500), (6250, 3223350), (6500, 3099375), (6525, 3087500), (6612, 3046875), (6786, 2968750), (7125, 2827500), (7163, 2812500), (7250, 2778750), (7410, 2718750), (7500, 2686125), (7540, 2671875), (8125, 2479500), (8265, 2437500), (8550, 2356250), (8700, 2315625), (8892, 2265625), (9375, 2148900), (9425, 2137500), (9500, 2120625), (9750, 2066250), (9918, 2031250), (10875, 1852500), (11020, 1828125), (11115, 1812500), (11250, 1790750), (11310, 1781250), (11700, 1721875), (11875, 1696500), (12350, 1631250), (12500, 1611675), (13050, 1543750), (13572, 1484375), (13775, 1462500), (14250, 1413750), (14326, 1406250), (14500, 1389375), (14625, 1377500), (14820, 1359375), (15625, 1289340), (16250, 1239750), (16530, 1218750), (16965, 1187500), (17100, 1178125), (18125, 1111500), (18525, 1087500), (18750, 1074450), (18850, 1068750), (19500, 1033125), (19836, 1015625), (21375, 942500), (21489, 937500), (21750, 926250), (22230, 906250), (22500, 895375), (22620, 890625), (23750, 848250), (24375, 826500), (24700, 815625), (24795, 812500), (26100, 771875), (27550, 731250), (28125, 716300), (28275, 712500), (28500, 706875), (28652, 703125), (29250, 688750), (30875, 652500), (31250, 644670), (32500, 619875), (32625, 617500), (33060, 609375), (33930, 593750), (35625, 565500), (35815, 562500), (36250, 555750), (37050, 543750), (37500, 537225), (37700, 534375), (40625, 495900), (41325, 487500), (42750, 471250), (42978, 468750), (43500, 463125), (44460, 453125), (46875, 429780), (47125, 427500), (47500, 424125), (48750, 413250), (49590, 406250), (54375, 370500), (55100, 365625), (55575, 362500), (56250, 358150), (56550, 356250), (58500, 344375), (59375, 339300), (61750, 326250), (62500, 322335), (64467, 312500), (65250, 308750), (67860, 296875), (68875, 292500), (71250, 282750), (71630, 281250), (72500, 277875), (73125, 275500), (74100, 271875), (78125, 257868), (81250, 247950), (82650, 243750), (84825, 237500), (85500, 235625), (85956, 234375), (90625, 222300), (92625, 217500), (93750, 214890), (94250, 213750), (97500, 206625), (99180, 203125), (106875, 188500), (107445, 187500), (108750, 185250), (111150, 181250), (112500, 179075), (113100, 178125), (118750, 169650), (121875, 165300), (123500, 163125), (123975, 162500), (128934, 156250), (130500, 154375), (137750, 146250), (140625, 143260), (141375, 142500)]