20120681750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:560

約数の個数: 256

約数和(自身を含む): 46092533760

約数和(自身を除く): 25971852010

約数列:

[1, 2, 5, 10, 13, 19, 23, 25, 26, 31, 38, 46, 50, 62, 65, 95, 115, 125, 130, 155, 190, 230, 247, 250, 299, 310, 325, 403, 437, 457, 475, 494, 575, 589, 598, 650, 713, 775, 806, 874, 914, 950, 1150, 1178, 1235, 1426, 1495, 1550, 1625, 2015, 2185, 2285, 2375, 2470, 2875, 2945, 2990, 3250, 3565, 3875, 4030, 4370, 4570, 4750, 5681, 5750, 5890, 5941, 6175, 7130, 7475, 7657, 7750, 8683, 9269, 10075, 10511, 10925, 11362, 11425, 11882, 12350, 13547, 14167, 14725, 14950, 15314, 17366, 17825, 18538, 20150, 21022, 21850, 22850, 27094, 28334, 28405, 29450, 29705, 30875, 35650, 37375, 38285, 43415, 46345, 50375, 52555, 54625, 56810, 57125, 59410, 61750, 67735, 70835, 73625, 74750, 76570, 86830, 89125, 92690, 100750, 105110, 109250, 112879, 114250, 135470, 136643, 141670, 142025, 147250, 148525, 176111, 178250, 184171, 191425, 199709, 217075, 225758, 231725, 262775, 269173, 273286, 284050, 297050, 325841, 338675, 352222, 354175, 368342, 382850, 399418, 434150, 463450, 525550, 538346, 564395, 651682, 677350, 683215, 708350, 710125, 742625, 880555, 920855, 957125, 998545, 1085375, 1128790, 1158625, 1313875, 1345865, 1366430, 1420250, 1485250, 1629205, 1693375, 1761110, 1770875, 1841710, 1914250, 1997090, 2170750, 2317250, 2596217, 2627750, 2691730, 2821975, 3258410, 3386750, 3416075, 3499249, 3541750, 4235933, 4402775, 4604275, 4992725, 5192434, 5643950, 6190979, 6729325, 6832150, 6998498, 8146025, 8471866, 8805550, 9208550, 9985450, 12381958, 12981085, 13458650, 14109875, 16292050, 17080375, 17496245, 21179665, 22013875, 23021375, 24963625, 25962170, 28219750, 30954895, 33646625, 34160750, 34992490, 40730125, 42359330, 44027750, 46042750, 49927250, 61909790, 64905425, 67293250, 80482727, 81460250, 87481225, 105898325, 129810850, 154774475, 160965454, 174962450, 211796650, 309548950, 324527125, 402413635, 437406125, 529491625, 649054250, 773872375, 804827270, 874812250, 1058983250, 1547744750, 2012068175, 4024136350, 10060340875, 20120681750]

約数ペア:

[(1, 20120681750), (2, 10060340875), (5, 4024136350), (10, 2012068175), (13, 1547744750), (19, 1058983250), (23, 874812250), (25, 804827270), (26, 773872375), (31, 649054250), (38, 529491625), (46, 437406125), (50, 402413635), (62, 324527125), (65, 309548950), (95, 211796650), (115, 174962450), (125, 160965454), (130, 154774475), (155, 129810850), (190, 105898325), (230, 87481225), (247, 81460250), (250, 80482727), (299, 67293250), (310, 64905425), (325, 61909790), (403, 49927250), (437, 46042750), (457, 44027750), (475, 42359330), (494, 40730125), (575, 34992490), (589, 34160750), (598, 33646625), (650, 30954895), (713, 28219750), (775, 25962170), (806, 24963625), (874, 23021375), (914, 22013875), (950, 21179665), (1150, 17496245), (1178, 17080375), (1235, 16292050), (1426, 14109875), (1495, 13458650), (1550, 12981085), (1625, 12381958), (2015, 9985450), (2185, 9208550), (2285, 8805550), (2375, 8471866), (2470, 8146025), (2875, 6998498), (2945, 6832150), (2990, 6729325), (3250, 6190979), (3565, 5643950), (3875, 5192434), (4030, 4992725), (4370, 4604275), (4570, 4402775), (4750, 4235933), (5681, 3541750), (5750, 3499249), (5890, 3416075), (5941, 3386750), (6175, 3258410), (7130, 2821975), (7475, 2691730), (7657, 2627750), (7750, 2596217), (8683, 2317250), (9269, 2170750), (10075, 1997090), (10511, 1914250), (10925, 1841710), (11362, 1770875), (11425, 1761110), (11882, 1693375), (12350, 1629205), (13547, 1485250), (14167, 1420250), (14725, 1366430), (14950, 1345865), (15314, 1313875), (17366, 1158625), (17825, 1128790), (18538, 1085375), (20150, 998545), (21022, 957125), (21850, 920855), (22850, 880555), (27094, 742625), (28334, 710125), (28405, 708350), (29450, 683215), (29705, 677350), (30875, 651682), (35650, 564395), (37375, 538346), (38285, 525550), (43415, 463450), (46345, 434150), (50375, 399418), (52555, 382850), (54625, 368342), (56810, 354175), (57125, 352222), (59410, 338675), (61750, 325841), (67735, 297050), (70835, 284050), (73625, 273286), (74750, 269173), (76570, 262775), (86830, 231725), (89125, 225758), (92690, 217075), (100750, 199709), (105110, 191425), (109250, 184171), (112879, 178250), (114250, 176111), (135470, 148525), (136643, 147250), (141670, 142025)]