15489840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{233}}^1\times {\mathrm{277}}^1$

素因数の和:526

約数の個数: 80

約数和(自身を含む): 48398688

約数和(自身を除く): 32908848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 233, 240, 277, 466, 554, 699, 831, 932, 1108, 1165, 1385, 1398, 1662, 1864, 2216, 2330, 2770, 2796, 3324, 3495, 3728, 4155, 4432, 4660, 5540, 5592, 6648, 6990, 8310, 9320, 11080, 11184, 13296, 13980, 16620, 18640, 22160, 27960, 33240, 55920, 64541, 66480, 129082, 193623, 258164, 322705, 387246, 516328, 645410, 774492, 968115, 1032656, 1290820, 1548984, 1936230, 2581640, 3097968, 3872460, 5163280, 7744920, 15489840]

約数ペア:

[(1, 15489840), (2, 7744920), (3, 5163280), (4, 3872460), (5, 3097968), (6, 2581640), (8, 1936230), (10, 1548984), (12, 1290820), (15, 1032656), (16, 968115), (20, 774492), (24, 645410), (30, 516328), (40, 387246), (48, 322705), (60, 258164), (80, 193623), (120, 129082), (233, 66480), (240, 64541), (277, 55920), (466, 33240), (554, 27960), (699, 22160), (831, 18640), (932, 16620), (1108, 13980), (1165, 13296), (1385, 11184), (1398, 11080), (1662, 9320), (1864, 8310), (2216, 6990), (2330, 6648), (2770, 5592), (2796, 5540), (3324, 4660), (3495, 4432), (3728, 4155)]