1520407980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{92821}}^1$

素因数の和:92856

約数の個数: 144

約数和(自身を含む): 5676250944

約数和(自身を除く): 4155842964

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, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 92821, 185642, 278463, 371284, 464105, 556926, 649747, 835389, 928210, 1113852, 1206673, 1299494, 1392315, 1670778, 1856420, 1949241, 2413346, 2598988, 2784630, 3248735, 3341556, 3620019, 3898482, 4176945, 4826692, 5569260, 5847723, 6033365, 6497470, 7240038, 7796964, 8353890, 8446711, 9746205, 10860057, 11695446, 12066730, 12994940, 14480076, 16707780, 16893422, 18100095, 19492410, 21720114, 23390892, 24133460, 25340133, 29238615, 33786844, 36200190, 38984820, 42233555, 43440228, 50680266, 54300285, 58477230, 72400380, 76020399, 84467110, 101360532, 108600570, 116954460, 126700665, 152040798, 168934220, 217201140, 253401330, 304081596, 380101995, 506802660, 760203990, 1520407980]

約数ペア:

[(1, 1520407980), (2, 760203990), (3, 506802660), (4, 380101995), (5, 304081596), (6, 253401330), (7, 217201140), (9, 168934220), (10, 152040798), (12, 126700665), (13, 116954460), (14, 108600570), (15, 101360532), (18, 84467110), (20, 76020399), (21, 72400380), (26, 58477230), (28, 54300285), (30, 50680266), (35, 43440228), (36, 42233555), (39, 38984820), (42, 36200190), (45, 33786844), (52, 29238615), (60, 25340133), (63, 24133460), (65, 23390892), (70, 21720114), (78, 19492410), (84, 18100095), (90, 16893422), (91, 16707780), (105, 14480076), (117, 12994940), (126, 12066730), (130, 11695446), (140, 10860057), (156, 9746205), (180, 8446711), (182, 8353890), (195, 7796964), (210, 7240038), (234, 6497470), (252, 6033365), (260, 5847723), (273, 5569260), (315, 4826692), (364, 4176945), (390, 3898482), (420, 3620019), (455, 3341556), (468, 3248735), (546, 2784630), (585, 2598988), (630, 2413346), (780, 1949241), (819, 1856420), (910, 1670778), (1092, 1392315), (1170, 1299494), (1260, 1206673), (1365, 1113852), (1638, 928210), (1820, 835389), (2340, 649747), (2730, 556926), (3276, 464105), (4095, 371284), (5460, 278463), (8190, 185642), (16380, 92821)]