128505840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1933}}^1$

素因数の和:2226

約数の個数: 80

約数和(自身を含む): 400013088

約数和(自身を除く): 271507248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 277, 554, 831, 1108, 1385, 1662, 1933, 2216, 2770, 3324, 3866, 4155, 4432, 5540, 5799, 6648, 7732, 8310, 9665, 11080, 11598, 13296, 15464, 16620, 19330, 22160, 23196, 28995, 30928, 33240, 38660, 46392, 57990, 66480, 77320, 92784, 115980, 154640, 231960, 463920, 535441, 1070882, 1606323, 2141764, 2677205, 3212646, 4283528, 5354410, 6425292, 8031615, 8567056, 10708820, 12850584, 16063230, 21417640, 25701168, 32126460, 42835280, 64252920, 128505840]

約数ペア:

[(1, 128505840), (2, 64252920), (3, 42835280), (4, 32126460), (5, 25701168), (6, 21417640), (8, 16063230), (10, 12850584), (12, 10708820), (15, 8567056), (16, 8031615), (20, 6425292), (24, 5354410), (30, 4283528), (40, 3212646), (48, 2677205), (60, 2141764), (80, 1606323), (120, 1070882), (240, 535441), (277, 463920), (554, 231960), (831, 154640), (1108, 115980), (1385, 92784), (1662, 77320), (1933, 66480), (2216, 57990), (2770, 46392), (3324, 38660), (3866, 33240), (4155, 30928), (4432, 28995), (5540, 23196), (5799, 22160), (6648, 19330), (7732, 16620), (8310, 15464), (9665, 13296), (11080, 11598)]