665309694640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^2\times {\mathrm{571}}^1\times {\mathrm{7877}}^1$

素因数の和:8547

約数の個数: 120

約数和(自身を含む): 1586629641168

約数和(自身を除く): 921319946528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 571, 688, 860, 1142, 1720, 1849, 2284, 2855, 3440, 3698, 4568, 5710, 7396, 7877, 9136, 9245, 11420, 14792, 15754, 18490, 22840, 24553, 29584, 31508, 36980, 39385, 45680, 49106, 63016, 73960, 78770, 98212, 122765, 126032, 147920, 157540, 196424, 245530, 315080, 338711, 392848, 491060, 630160, 677422, 982120, 1055779, 1354844, 1693555, 1964240, 2111558, 2709688, 3387110, 4223116, 4497767, 5278895, 5419376, 6774220, 8446232, 8995534, 10557790, 13548440, 14564573, 16892464, 17991068, 21115580, 22488835, 27096880, 29129146, 35982136, 42231160, 44977670, 58258292, 71964272, 72822865, 84462320, 89955340, 116516584, 145645730, 179910680, 193403981, 233033168, 291291460, 359821360, 386807962, 582582920, 773615924, 967019905, 1165165840, 1547231848, 1934039810, 3094463696, 3868079620, 7736159240, 8316371183, 15472318480, 16632742366, 33265484732, 41581855915, 66530969464, 83163711830, 133061938928, 166327423660, 332654847320, 665309694640]

約数ペア:

[(1, 665309694640), (2, 332654847320), (4, 166327423660), (5, 133061938928), (8, 83163711830), (10, 66530969464), (16, 41581855915), (20, 33265484732), (40, 16632742366), (43, 15472318480), (80, 8316371183), (86, 7736159240), (172, 3868079620), (215, 3094463696), (344, 1934039810), (430, 1547231848), (571, 1165165840), (688, 967019905), (860, 773615924), (1142, 582582920), (1720, 386807962), (1849, 359821360), (2284, 291291460), (2855, 233033168), (3440, 193403981), (3698, 179910680), (4568, 145645730), (5710, 116516584), (7396, 89955340), (7877, 84462320), (9136, 72822865), (9245, 71964272), (11420, 58258292), (14792, 44977670), (15754, 42231160), (18490, 35982136), (22840, 29129146), (24553, 27096880), (29584, 22488835), (31508, 21115580), (36980, 17991068), (39385, 16892464), (45680, 14564573), (49106, 13548440), (63016, 10557790), (73960, 8995534), (78770, 8446232), (98212, 6774220), (122765, 5419376), (126032, 5278895), (147920, 4497767), (157540, 4223116), (196424, 3387110), (245530, 2709688), (315080, 2111558), (338711, 1964240), (392848, 1693555), (491060, 1354844), (630160, 1055779), (677422, 982120)]