625775940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{6967}}^1$

素因数の和:7481

約数の個数: 72

約数和(自身を含む): 1902264000

約数和(自身を除く): 1276488060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 499, 998, 1497, 1996, 2495, 2994, 4491, 4990, 5988, 6967, 7485, 8982, 9980, 13934, 14970, 17964, 20901, 22455, 27868, 29940, 34835, 41802, 44910, 62703, 69670, 83604, 89820, 104505, 125406, 139340, 209010, 250812, 313515, 418020, 627030, 1254060, 3476533, 6953066, 10429599, 13906132, 17382665, 20859198, 31288797, 34765330, 41718396, 52147995, 62577594, 69530660, 104295990, 125155188, 156443985, 208591980, 312887970, 625775940]

約数ペア:

[(1, 625775940), (2, 312887970), (3, 208591980), (4, 156443985), (5, 125155188), (6, 104295990), (9, 69530660), (10, 62577594), (12, 52147995), (15, 41718396), (18, 34765330), (20, 31288797), (30, 20859198), (36, 17382665), (45, 13906132), (60, 10429599), (90, 6953066), (180, 3476533), (499, 1254060), (998, 627030), (1497, 418020), (1996, 313515), (2495, 250812), (2994, 209010), (4491, 139340), (4990, 125406), (5988, 104505), (6967, 89820), (7485, 83604), (8982, 69670), (9980, 62703), (13934, 44910), (14970, 41802), (17964, 34835), (20901, 29940), (22455, 27868)]