15775240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1319}}^1$

素因数の和:1366

約数の個数: 64

約数和(自身を含む): 39916800

約数和(自身を除く): 24141560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1319, 1495, 2392, 2638, 2990, 5276, 5980, 6595, 10552, 11960, 13190, 17147, 26380, 30337, 34294, 52760, 60674, 68588, 85735, 121348, 137176, 151685, 171470, 242696, 303370, 342940, 394381, 606740, 685880, 788762, 1213480, 1577524, 1971905, 3155048, 3943810, 7887620, 15775240]

約数ペア:

[(1, 15775240), (2, 7887620), (4, 3943810), (5, 3155048), (8, 1971905), (10, 1577524), (13, 1213480), (20, 788762), (23, 685880), (26, 606740), (40, 394381), (46, 342940), (52, 303370), (65, 242696), (92, 171470), (104, 151685), (115, 137176), (130, 121348), (184, 85735), (230, 68588), (260, 60674), (299, 52760), (460, 34294), (520, 30337), (598, 26380), (920, 17147), (1196, 13190), (1319, 11960), (1495, 10552), (2392, 6595), (2638, 5980), (2990, 5276)]