668847320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{31729}}^1$

素因数の和:31788

約数の個数: 64

約数和(自身を含む): 1644883200

約数和(自身を除く): 976035880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 2108, 2635, 4216, 5270, 10540, 21080, 31729, 63458, 126916, 158645, 253832, 317290, 539393, 634580, 983599, 1078786, 1269160, 1967198, 2157572, 2696965, 3934396, 4315144, 4917995, 5393930, 7868792, 9835990, 10787860, 16721183, 19671980, 21575720, 33442366, 39343960, 66884732, 83605915, 133769464, 167211830, 334423660, 668847320]

約数ペア:

[(1, 668847320), (2, 334423660), (4, 167211830), (5, 133769464), (8, 83605915), (10, 66884732), (17, 39343960), (20, 33442366), (31, 21575720), (34, 19671980), (40, 16721183), (62, 10787860), (68, 9835990), (85, 7868792), (124, 5393930), (136, 4917995), (155, 4315144), (170, 3934396), (248, 2696965), (310, 2157572), (340, 1967198), (527, 1269160), (620, 1078786), (680, 983599), (1054, 634580), (1240, 539393), (2108, 317290), (2635, 253832), (4216, 158645), (5270, 126916), (10540, 63458), (21080, 31729)]