66456560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:382

約数の個数: 80

約数和(自身を含む): 161513472

約数和(自身を除く): 95056912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 127, 155, 211, 248, 254, 310, 422, 496, 508, 620, 635, 844, 1016, 1055, 1240, 1270, 1688, 2032, 2110, 2480, 2540, 3376, 3937, 4220, 5080, 6541, 7874, 8440, 10160, 13082, 15748, 16880, 19685, 26164, 26797, 31496, 32705, 39370, 52328, 53594, 62992, 65410, 78740, 104656, 107188, 130820, 133985, 157480, 214376, 261640, 267970, 314960, 428752, 523280, 535940, 830707, 1071880, 1661414, 2143760, 3322828, 4153535, 6645656, 8307070, 13291312, 16614140, 33228280, 66456560]

約数ペア:

[(1, 66456560), (2, 33228280), (4, 16614140), (5, 13291312), (8, 8307070), (10, 6645656), (16, 4153535), (20, 3322828), (31, 2143760), (40, 1661414), (62, 1071880), (80, 830707), (124, 535940), (127, 523280), (155, 428752), (211, 314960), (248, 267970), (254, 261640), (310, 214376), (422, 157480), (496, 133985), (508, 130820), (620, 107188), (635, 104656), (844, 78740), (1016, 65410), (1055, 62992), (1240, 53594), (1270, 52328), (1688, 39370), (2032, 32705), (2110, 31496), (2480, 26797), (2540, 26164), (3376, 19685), (3937, 16880), (4220, 15748), (5080, 13082), (6541, 10160), (7874, 8440)]