81255870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7109}}^1$

素因数の和:7249

約数の個数: 48

約数和(自身を含む): 212958720

約数和(自身を除く): 131702850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 127, 254, 381, 635, 762, 1143, 1270, 1905, 2286, 3810, 5715, 7109, 11430, 14218, 21327, 35545, 42654, 63981, 71090, 106635, 127962, 213270, 319905, 639810, 902843, 1805686, 2708529, 4514215, 5417058, 8125587, 9028430, 13542645, 16251174, 27085290, 40627935, 81255870]

約数ペア:

[(1, 81255870), (2, 40627935), (3, 27085290), (5, 16251174), (6, 13542645), (9, 9028430), (10, 8125587), (15, 5417058), (18, 4514215), (30, 2708529), (45, 1805686), (90, 902843), (127, 639810), (254, 319905), (381, 213270), (635, 127962), (762, 106635), (1143, 71090), (1270, 63981), (1905, 42654), (2286, 35545), (3810, 21327), (5715, 14218), (7109, 11430)]