249365640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{19421}}^1$

素因数の和:19542

約数の個数: 64

約数和(自身を含む): 755127360

約数和(自身を除く): 505761720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 535, 642, 856, 1070, 1284, 1605, 2140, 2568, 3210, 4280, 6420, 12840, 19421, 38842, 58263, 77684, 97105, 116526, 155368, 194210, 233052, 291315, 388420, 466104, 582630, 776840, 1165260, 2078047, 2330520, 4156094, 6234141, 8312188, 10390235, 12468282, 16624376, 20780470, 24936564, 31170705, 41560940, 49873128, 62341410, 83121880, 124682820, 249365640]

約数ペア:

[(1, 249365640), (2, 124682820), (3, 83121880), (4, 62341410), (5, 49873128), (6, 41560940), (8, 31170705), (10, 24936564), (12, 20780470), (15, 16624376), (20, 12468282), (24, 10390235), (30, 8312188), (40, 6234141), (60, 4156094), (107, 2330520), (120, 2078047), (214, 1165260), (321, 776840), (428, 582630), (535, 466104), (642, 388420), (856, 291315), (1070, 233052), (1284, 194210), (1605, 155368), (2140, 116526), (2568, 97105), (3210, 77684), (4280, 58263), (6420, 38842), (12840, 19421)]