71687640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{35141}}^1$

素因数の和:35172

約数の個数: 64

約数和(自身を含む): 227720160

約数和(自身を除く): 156032520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 35141, 70282, 105423, 140564, 175705, 210846, 281128, 351410, 421692, 527115, 597397, 702820, 843384, 1054230, 1194794, 1405640, 1792191, 2108460, 2389588, 2986985, 3584382, 4216920, 4779176, 5973970, 7168764, 8960955, 11947940, 14337528, 17921910, 23895880, 35843820, 71687640]

約数ペア:

[(1, 71687640), (2, 35843820), (3, 23895880), (4, 17921910), (5, 14337528), (6, 11947940), (8, 8960955), (10, 7168764), (12, 5973970), (15, 4779176), (17, 4216920), (20, 3584382), (24, 2986985), (30, 2389588), (34, 2108460), (40, 1792191), (51, 1405640), (60, 1194794), (68, 1054230), (85, 843384), (102, 702820), (120, 597397), (136, 527115), (170, 421692), (204, 351410), (255, 281128), (340, 210846), (408, 175705), (510, 140564), (680, 105423), (1020, 70282), (2040, 35141)]