661560900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2203}}^1$

素因数の和:2251

約数の個数: 288

約数和(自身を含む): 2571168768

約数和(自身を除く): 1909607868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 20, 21, 22, 25, 26, 28, 30, 33, 35, 39, 42, 44, 50, 52, 55, 60, 65, 66, 70, 75, 77, 78, 84, 91, 100, 105, 110, 130, 132, 140, 143, 150, 154, 156, 165, 175, 182, 195, 210, 220, 231, 260, 273, 275, 286, 300, 308, 325, 330, 350, 364, 385, 390, 420, 429, 455, 462, 525, 546, 550, 572, 650, 660, 700, 715, 770, 780, 825, 858, 910, 924, 975, 1001, 1050, 1092, 1100, 1155, 1300, 1365, 1430, 1540, 1650, 1716, 1820, 1925, 1950, 2002, 2100, 2145, 2203, 2275, 2310, 2730, 2860, 3003, 3300, 3575, 3850, 3900, 4004, 4290, 4406, 4550, 4620, 5005, 5460, 5775, 6006, 6609, 6825, 7150, 7700, 8580, 8812, 9100, 10010, 10725, 11015, 11550, 12012, 13218, 13650, 14300, 15015, 15421, 20020, 21450, 22030, 23100, 24233, 25025, 26436, 27300, 28639, 30030, 30842, 33045, 42900, 44060, 46263, 48466, 50050, 55075, 57278, 60060, 61684, 66090, 72699, 75075, 77105, 85917, 92526, 96932, 100100, 110150, 114556, 121165, 132180, 143195, 145398, 150150, 154210, 165225, 169631, 171834, 185052, 200473, 220300, 231315, 242330, 286390, 290796, 300300, 308420, 315029, 330450, 339262, 343668, 363495, 385525, 400946, 429585, 462630, 484660, 508893, 572780, 601419, 605825, 630058, 660900, 678524, 715975, 726990, 771050, 801892, 848155, 859170, 925260, 945087, 1002365, 1017786, 1156575, 1202838, 1211650, 1260116, 1431950, 1453980, 1542100, 1575145, 1696310, 1718340, 1817475, 1890174, 2004730, 2035572, 2147925, 2205203, 2313150, 2405676, 2423300, 2544465, 2863900, 3007095, 3150290, 3392620, 3634950, 3780348, 4009460, 4240775, 4295850, 4410406, 4626300, 4725435, 5011825, 5088930, 6014190, 6300580, 6615609, 7269900, 7875725, 8481550, 8591700, 8820812, 9450870, 10023650, 10177860, 11026015, 12028380, 12722325, 13231218, 15035475, 15751450, 16963100, 18901740, 20047300, 22052030, 23627175, 25444650, 26462436, 30070950, 31502900, 33078045, 44104060, 47254350, 50889300, 55130075, 60141900, 66156090, 94508700, 110260150, 132312180, 165390225, 220520300, 330780450, 661560900]

約数ペア:

[(1, 661560900), (2, 330780450), (3, 220520300), (4, 165390225), (5, 132312180), (6, 110260150), (7, 94508700), (10, 66156090), (11, 60141900), (12, 55130075), (13, 50889300), (14, 47254350), (15, 44104060), (20, 33078045), (21, 31502900), (22, 30070950), (25, 26462436), (26, 25444650), (28, 23627175), (30, 22052030), (33, 20047300), (35, 18901740), (39, 16963100), (42, 15751450), (44, 15035475), (50, 13231218), (52, 12722325), (55, 12028380), (60, 11026015), (65, 10177860), (66, 10023650), (70, 9450870), (75, 8820812), (77, 8591700), (78, 8481550), (84, 7875725), (91, 7269900), (100, 6615609), (105, 6300580), (110, 6014190), (130, 5088930), (132, 5011825), (140, 4725435), (143, 4626300), (150, 4410406), (154, 4295850), (156, 4240775), (165, 4009460), (175, 3780348), (182, 3634950), (195, 3392620), (210, 3150290), (220, 3007095), (231, 2863900), (260, 2544465), (273, 2423300), (275, 2405676), (286, 2313150), (300, 2205203), (308, 2147925), (325, 2035572), (330, 2004730), (350, 1890174), (364, 1817475), (385, 1718340), (390, 1696310), (420, 1575145), (429, 1542100), (455, 1453980), (462, 1431950), (525, 1260116), (546, 1211650), (550, 1202838), (572, 1156575), (650, 1017786), (660, 1002365), (700, 945087), (715, 925260), (770, 859170), (780, 848155), (825, 801892), (858, 771050), (910, 726990), (924, 715975), (975, 678524), (1001, 660900), (1050, 630058), (1092, 605825), (1100, 601419), (1155, 572780), (1300, 508893), (1365, 484660), (1430, 462630), (1540, 429585), (1650, 400946), (1716, 385525), (1820, 363495), (1925, 343668), (1950, 339262), (2002, 330450), (2100, 315029), (2145, 308420), (2203, 300300), (2275, 290796), (2310, 286390), (2730, 242330), (2860, 231315), (3003, 220300), (3300, 200473), (3575, 185052), (3850, 171834), (3900, 169631), (4004, 165225), (4290, 154210), (4406, 150150), (4550, 145398), (4620, 143195), (5005, 132180), (5460, 121165), (5775, 114556), (6006, 110150), (6609, 100100), (6825, 96932), (7150, 92526), (7700, 85917), (8580, 77105), (8812, 75075), (9100, 72699), (10010, 66090), (10725, 61684), (11015, 60060), (11550, 57278), (12012, 55075), (13218, 50050), (13650, 48466), (14300, 46263), (15015, 44060), (15421, 42900), (20020, 33045), (21450, 30842), (22030, 30030), (23100, 28639), (24233, 27300), (25025, 26436)]