123688760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7673}}^1$

素因数の和:7728

約数の個数: 64

約数和(自身を含む): 309415680

約数和(自身を除く): 185726920

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, 7673, 8060, 15346, 16120, 30692, 38365, 61384, 76730, 99749, 153460, 199498, 237863, 306920, 398996, 475726, 498745, 797992, 951452, 997490, 1189315, 1902904, 1994980, 2378630, 3092219, 3989960, 4757260, 6184438, 9514520, 12368876, 15461095, 24737752, 30922190, 61844380, 123688760]

約数ペア:

[(1, 123688760), (2, 61844380), (4, 30922190), (5, 24737752), (8, 15461095), (10, 12368876), (13, 9514520), (20, 6184438), (26, 4757260), (31, 3989960), (40, 3092219), (52, 2378630), (62, 1994980), (65, 1902904), (104, 1189315), (124, 997490), (130, 951452), (155, 797992), (248, 498745), (260, 475726), (310, 398996), (403, 306920), (520, 237863), (620, 199498), (806, 153460), (1240, 99749), (1612, 76730), (2015, 61384), (3224, 38365), (4030, 30692), (7673, 16120), (8060, 15346)]