15911480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{827}}^1$

素因数の和:888

約数の個数: 64

約数和(自身を含む): 39644640

約数和(自身を除く): 23733160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 827, 962, 1480, 1654, 1924, 2405, 3308, 3848, 4135, 4810, 6616, 8270, 9620, 10751, 16540, 19240, 21502, 30599, 33080, 43004, 53755, 61198, 86008, 107510, 122396, 152995, 215020, 244792, 305990, 397787, 430040, 611980, 795574, 1223960, 1591148, 1988935, 3182296, 3977870, 7955740, 15911480]

約数ペア:

[(1, 15911480), (2, 7955740), (4, 3977870), (5, 3182296), (8, 1988935), (10, 1591148), (13, 1223960), (20, 795574), (26, 611980), (37, 430040), (40, 397787), (52, 305990), (65, 244792), (74, 215020), (104, 152995), (130, 122396), (148, 107510), (185, 86008), (260, 61198), (296, 53755), (370, 43004), (481, 33080), (520, 30599), (740, 21502), (827, 19240), (962, 16540), (1480, 10751), (1654, 9620), (1924, 8270), (2405, 6616), (3308, 4810), (3848, 4135)]