123914440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7687}}^1$

素因数の和:7742

約数の個数: 64

約数和(自身を含む): 309980160

約数和(自身を除く): 186065720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 7687, 8060, 15374, 16120, 30748, 38435, 61496, 76870, 99931, 153740, 199862, 238297, 307480, 399724, 476594, 499655, 799448, 953188, 999310, 1191485, 1906376, 1998620, 2382970, 3097861, 3997240, 4765940, 6195722, 9531880, 12391444, 15489305, 24782888, 30978610, 61957220, 123914440]

約数ペア:

[(1, 123914440), (2, 61957220), (4, 30978610), (5, 24782888), (8, 15489305), (10, 12391444), (13, 9531880), (20, 6195722), (26, 4765940), (31, 3997240), (40, 3097861), (52, 2382970), (62, 1998620), (65, 1906376), (104, 1191485), (124, 999310), (130, 953188), (155, 799448), (248, 499655), (260, 476594), (310, 399724), (403, 307480), (520, 238297), (620, 199862), (806, 153740), (1240, 99931), (1612, 76870), (2015, 61496), (3224, 38435), (4030, 30748), (7687, 16120), (8060, 15374)]