85162520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 208882800

約数和(自身を除く): 123720280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 85, 106, 136, 139, 170, 212, 265, 278, 289, 340, 424, 530, 556, 578, 680, 695, 901, 1060, 1112, 1156, 1390, 1445, 1802, 2120, 2312, 2363, 2780, 2890, 3604, 4505, 4726, 5560, 5780, 7208, 7367, 9010, 9452, 11560, 11815, 14734, 15317, 18020, 18904, 23630, 29468, 30634, 36040, 36835, 40171, 47260, 58936, 61268, 73670, 76585, 80342, 94520, 122536, 125239, 147340, 153170, 160684, 200855, 250478, 294680, 306340, 321368, 401710, 500956, 612680, 626195, 803420, 1001912, 1252390, 1606840, 2129063, 2504780, 4258126, 5009560, 8516252, 10645315, 17032504, 21290630, 42581260, 85162520]

約数ペア:

[(1, 85162520), (2, 42581260), (4, 21290630), (5, 17032504), (8, 10645315), (10, 8516252), (17, 5009560), (20, 4258126), (34, 2504780), (40, 2129063), (53, 1606840), (68, 1252390), (85, 1001912), (106, 803420), (136, 626195), (139, 612680), (170, 500956), (212, 401710), (265, 321368), (278, 306340), (289, 294680), (340, 250478), (424, 200855), (530, 160684), (556, 153170), (578, 147340), (680, 125239), (695, 122536), (901, 94520), (1060, 80342), (1112, 76585), (1156, 73670), (1390, 61268), (1445, 58936), (1802, 47260), (2120, 40171), (2312, 36835), (2363, 36040), (2780, 30634), (2890, 29468), (3604, 23630), (4505, 18904), (4726, 18020), (5560, 15317), (5780, 14734), (7208, 11815), (7367, 11560), (9010, 9452)]