156777920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^3\times {\mathrm{223}}^1$

素因数の和:279

約数の個数: 112

約数和(自身を含む): 406237440

約数和(自身を除く): 249459520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 169, 208, 223, 260, 320, 338, 416, 446, 520, 676, 832, 845, 892, 1040, 1115, 1352, 1690, 1784, 2080, 2197, 2230, 2704, 2899, 3380, 3568, 4160, 4394, 4460, 5408, 5798, 6760, 7136, 8788, 8920, 10816, 10985, 11596, 13520, 14272, 14495, 17576, 17840, 21970, 23192, 27040, 28990, 35152, 35680, 37687, 43940, 46384, 54080, 57980, 70304, 71360, 75374, 87880, 92768, 115960, 140608, 150748, 175760, 185536, 188435, 231920, 301496, 351520, 376870, 463840, 489931, 602992, 703040, 753740, 927680, 979862, 1205984, 1507480, 1959724, 2411968, 2449655, 3014960, 3919448, 4899310, 6029920, 7838896, 9798620, 12059840, 15677792, 19597240, 31355584, 39194480, 78388960, 156777920]

約数ペア:

[(1, 156777920), (2, 78388960), (4, 39194480), (5, 31355584), (8, 19597240), (10, 15677792), (13, 12059840), (16, 9798620), (20, 7838896), (26, 6029920), (32, 4899310), (40, 3919448), (52, 3014960), (64, 2449655), (65, 2411968), (80, 1959724), (104, 1507480), (130, 1205984), (160, 979862), (169, 927680), (208, 753740), (223, 703040), (260, 602992), (320, 489931), (338, 463840), (416, 376870), (446, 351520), (520, 301496), (676, 231920), (832, 188435), (845, 185536), (892, 175760), (1040, 150748), (1115, 140608), (1352, 115960), (1690, 92768), (1784, 87880), (2080, 75374), (2197, 71360), (2230, 70304), (2704, 57980), (2899, 54080), (3380, 46384), (3568, 43940), (4160, 37687), (4394, 35680), (4460, 35152), (5408, 28990), (5798, 27040), (6760, 23192), (7136, 21970), (8788, 17840), (8920, 17576), (10816, 14495), (10985, 14272), (11596, 13520)]