57281560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1373}}^1$

素因数の和:1540

約数の個数: 64

約数和(自身を含む): 148392000

約数和(自身を除く): 91110440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1373, 1490, 2086, 2746, 2980, 4172, 5215, 5492, 5960, 6865, 8344, 9611, 10430, 10984, 13730, 19222, 20860, 27460, 38444, 41720, 48055, 54920, 76888, 96110, 192220, 204577, 384440, 409154, 818308, 1022885, 1432039, 1636616, 2045770, 2864078, 4091540, 5728156, 7160195, 8183080, 11456312, 14320390, 28640780, 57281560]

約数ペア:

[(1, 57281560), (2, 28640780), (4, 14320390), (5, 11456312), (7, 8183080), (8, 7160195), (10, 5728156), (14, 4091540), (20, 2864078), (28, 2045770), (35, 1636616), (40, 1432039), (56, 1022885), (70, 818308), (140, 409154), (149, 384440), (280, 204577), (298, 192220), (596, 96110), (745, 76888), (1043, 54920), (1192, 48055), (1373, 41720), (1490, 38444), (2086, 27460), (2746, 20860), (2980, 19222), (4172, 13730), (5215, 10984), (5492, 10430), (5960, 9611), (6865, 8344)]