83147960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1993}}^1$

素因数の和:2160

約数の個数: 64

約数和(自身を含む): 215352000

約数和(自身を除く): 132204040

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, 1490, 1993, 2086, 2980, 3986, 4172, 5215, 5960, 7972, 8344, 9965, 10430, 13951, 15944, 19930, 20860, 27902, 39860, 41720, 55804, 69755, 79720, 111608, 139510, 279020, 296957, 558040, 593914, 1187828, 1484785, 2078699, 2375656, 2969570, 4157398, 5939140, 8314796, 10393495, 11878280, 16629592, 20786990, 41573980, 83147960]

約数ペア:

[(1, 83147960), (2, 41573980), (4, 20786990), (5, 16629592), (7, 11878280), (8, 10393495), (10, 8314796), (14, 5939140), (20, 4157398), (28, 2969570), (35, 2375656), (40, 2078699), (56, 1484785), (70, 1187828), (140, 593914), (149, 558040), (280, 296957), (298, 279020), (596, 139510), (745, 111608), (1043, 79720), (1192, 69755), (1490, 55804), (1993, 41720), (2086, 39860), (2980, 27902), (3986, 20860), (4172, 19930), (5215, 15944), (5960, 13951), (7972, 10430), (8344, 9965)]