318203960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{577}}^1\times {\mathrm{811}}^1$

素因数の和:1416

約数の個数: 64

約数和(自身を含む): 760324320

約数和(自身を除く): 442120360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 577, 680, 811, 1154, 1622, 2308, 2885, 3244, 4055, 4616, 5770, 6488, 8110, 9809, 11540, 13787, 16220, 19618, 23080, 27574, 32440, 39236, 49045, 55148, 68935, 78472, 98090, 110296, 137870, 196180, 275740, 392360, 467947, 551480, 935894, 1871788, 2339735, 3743576, 4679470, 7955099, 9358940, 15910198, 18717880, 31820396, 39775495, 63640792, 79550990, 159101980, 318203960]

約数ペア:

[(1, 318203960), (2, 159101980), (4, 79550990), (5, 63640792), (8, 39775495), (10, 31820396), (17, 18717880), (20, 15910198), (34, 9358940), (40, 7955099), (68, 4679470), (85, 3743576), (136, 2339735), (170, 1871788), (340, 935894), (577, 551480), (680, 467947), (811, 392360), (1154, 275740), (1622, 196180), (2308, 137870), (2885, 110296), (3244, 98090), (4055, 78472), (4616, 68935), (5770, 55148), (6488, 49045), (8110, 39236), (9809, 32440), (11540, 27574), (13787, 23080), (16220, 19618)]