287278524

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:460

約数の個数: 144

約数和(自身を含む): 824634720

約数和(自身を除く): 537356196

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 58, 61, 78, 87, 116, 117, 122, 156, 174, 183, 234, 244, 261, 347, 348, 366, 377, 468, 522, 549, 694, 732, 754, 793, 1041, 1044, 1098, 1131, 1388, 1508, 1586, 1769, 2082, 2196, 2262, 2379, 3123, 3172, 3393, 3538, 4164, 4511, 4524, 4758, 5307, 6246, 6786, 7076, 7137, 9022, 9516, 10063, 10614, 12492, 13533, 13572, 14274, 15921, 18044, 20126, 21167, 21228, 22997, 27066, 28548, 30189, 31842, 40252, 40599, 42334, 45994, 54132, 60378, 63501, 63684, 68991, 81198, 84668, 90567, 91988, 120756, 127002, 130819, 137982, 162396, 181134, 190503, 206973, 254004, 261638, 275171, 275964, 362268, 381006, 392457, 413946, 523276, 550342, 613843, 762012, 784914, 825513, 827892, 1100684, 1177371, 1227686, 1569828, 1651026, 1841529, 2354742, 2455372, 2476539, 3302052, 3683058, 4709484, 4953078, 5524587, 7366116, 7979959, 9906156, 11049174, 15959918, 22098348, 23939877, 31919836, 47879754, 71819631, 95759508, 143639262, 287278524]

約数ペア:

[(1, 287278524), (2, 143639262), (3, 95759508), (4, 71819631), (6, 47879754), (9, 31919836), (12, 23939877), (13, 22098348), (18, 15959918), (26, 11049174), (29, 9906156), (36, 7979959), (39, 7366116), (52, 5524587), (58, 4953078), (61, 4709484), (78, 3683058), (87, 3302052), (116, 2476539), (117, 2455372), (122, 2354742), (156, 1841529), (174, 1651026), (183, 1569828), (234, 1227686), (244, 1177371), (261, 1100684), (347, 827892), (348, 825513), (366, 784914), (377, 762012), (468, 613843), (522, 550342), (549, 523276), (694, 413946), (732, 392457), (754, 381006), (793, 362268), (1041, 275964), (1044, 275171), (1098, 261638), (1131, 254004), (1388, 206973), (1508, 190503), (1586, 181134), (1769, 162396), (2082, 137982), (2196, 130819), (2262, 127002), (2379, 120756), (3123, 91988), (3172, 90567), (3393, 84668), (3538, 81198), (4164, 68991), (4511, 63684), (4524, 63501), (4758, 60378), (5307, 54132), (6246, 45994), (6786, 42334), (7076, 40599), (7137, 40252), (9022, 31842), (9516, 30189), (10063, 28548), (10614, 27066), (12492, 22997), (13533, 21228), (13572, 21167), (14274, 20126), (15921, 18044)]