77447920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:239

約数の個数: 160

約数和(自身を含む): 215986176

約数和(自身を除く): 138538256

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 31, 34, 40, 44, 55, 62, 68, 80, 85, 88, 110, 124, 136, 155, 167, 170, 176, 187, 220, 248, 272, 310, 334, 340, 341, 374, 440, 496, 527, 620, 668, 680, 682, 748, 835, 880, 935, 1054, 1240, 1336, 1360, 1364, 1496, 1670, 1705, 1837, 1870, 2108, 2480, 2635, 2672, 2728, 2839, 2992, 3340, 3410, 3674, 3740, 4216, 5177, 5270, 5456, 5678, 5797, 6680, 6820, 7348, 7480, 8432, 9185, 10354, 10540, 11356, 11594, 13360, 13640, 14195, 14696, 14960, 18370, 20708, 21080, 22712, 23188, 25885, 27280, 28390, 28985, 29392, 31229, 36740, 41416, 42160, 45424, 46376, 51770, 56780, 56947, 57970, 62458, 73480, 82832, 88009, 92752, 103540, 113560, 113894, 115940, 124916, 146960, 156145, 176018, 207080, 227120, 227788, 231880, 249832, 284735, 312290, 352036, 414160, 440045, 455576, 463760, 499664, 569470, 624580, 704072, 880090, 911152, 968099, 1138940, 1249160, 1408144, 1760180, 1936198, 2277880, 2498320, 3520360, 3872396, 4555760, 4840495, 7040720, 7744792, 9680990, 15489584, 19361980, 38723960, 77447920]

約数ペア:

[(1, 77447920), (2, 38723960), (4, 19361980), (5, 15489584), (8, 9680990), (10, 7744792), (11, 7040720), (16, 4840495), (17, 4555760), (20, 3872396), (22, 3520360), (31, 2498320), (34, 2277880), (40, 1936198), (44, 1760180), (55, 1408144), (62, 1249160), (68, 1138940), (80, 968099), (85, 911152), (88, 880090), (110, 704072), (124, 624580), (136, 569470), (155, 499664), (167, 463760), (170, 455576), (176, 440045), (187, 414160), (220, 352036), (248, 312290), (272, 284735), (310, 249832), (334, 231880), (340, 227788), (341, 227120), (374, 207080), (440, 176018), (496, 156145), (527, 146960), (620, 124916), (668, 115940), (680, 113894), (682, 113560), (748, 103540), (835, 92752), (880, 88009), (935, 82832), (1054, 73480), (1240, 62458), (1336, 57970), (1360, 56947), (1364, 56780), (1496, 51770), (1670, 46376), (1705, 45424), (1837, 42160), (1870, 41416), (2108, 36740), (2480, 31229), (2635, 29392), (2672, 28985), (2728, 28390), (2839, 27280), (2992, 25885), (3340, 23188), (3410, 22712), (3674, 21080), (3740, 20708), (4216, 18370), (5177, 14960), (5270, 14696), (5456, 14195), (5678, 13640), (5797, 13360), (6680, 11594), (6820, 11356), (7348, 10540), (7480, 10354), (8432, 9185)]