671580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:76

約数の個数: 144

約数和(自身を含む): 2568384

約数和(自身を除く): 1896804

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 41, 42, 45, 52, 60, 63, 65, 70, 78, 82, 84, 90, 91, 105, 117, 123, 126, 130, 140, 156, 164, 180, 182, 195, 205, 210, 234, 246, 252, 260, 273, 287, 315, 364, 369, 390, 410, 420, 455, 468, 492, 533, 546, 574, 585, 615, 630, 738, 780, 819, 820, 861, 910, 1066, 1092, 1148, 1170, 1230, 1260, 1365, 1435, 1476, 1599, 1638, 1722, 1820, 1845, 2132, 2340, 2460, 2583, 2665, 2730, 2870, 3198, 3276, 3444, 3690, 3731, 4095, 4305, 4797, 5166, 5330, 5460, 5740, 6396, 7380, 7462, 7995, 8190, 8610, 9594, 10332, 10660, 11193, 12915, 14924, 15990, 16380, 17220, 18655, 19188, 22386, 23985, 25830, 31980, 33579, 37310, 44772, 47970, 51660, 55965, 67158, 74620, 95940, 111930, 134316, 167895, 223860, 335790, 671580]

約数ペア:

[(1, 671580), (2, 335790), (3, 223860), (4, 167895), (5, 134316), (6, 111930), (7, 95940), (9, 74620), (10, 67158), (12, 55965), (13, 51660), (14, 47970), (15, 44772), (18, 37310), (20, 33579), (21, 31980), (26, 25830), (28, 23985), (30, 22386), (35, 19188), (36, 18655), (39, 17220), (41, 16380), (42, 15990), (45, 14924), (52, 12915), (60, 11193), (63, 10660), (65, 10332), (70, 9594), (78, 8610), (82, 8190), (84, 7995), (90, 7462), (91, 7380), (105, 6396), (117, 5740), (123, 5460), (126, 5330), (130, 5166), (140, 4797), (156, 4305), (164, 4095), (180, 3731), (182, 3690), (195, 3444), (205, 3276), (210, 3198), (234, 2870), (246, 2730), (252, 2665), (260, 2583), (273, 2460), (287, 2340), (315, 2132), (364, 1845), (369, 1820), (390, 1722), (410, 1638), (420, 1599), (455, 1476), (468, 1435), (492, 1365), (533, 1260), (546, 1230), (574, 1170), (585, 1148), (615, 1092), (630, 1066), (738, 910), (780, 861), (819, 820)]