15257840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{863}}^1$

素因数の和:906

約数の個数: 80

約数和(自身を含む): 40497408

約数和(自身を除く): 25239568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 863, 884, 1040, 1105, 1360, 1726, 1768, 2210, 3452, 3536, 4315, 4420, 6904, 8630, 8840, 11219, 13808, 14671, 17260, 17680, 22438, 29342, 34520, 44876, 56095, 58684, 69040, 73355, 89752, 112190, 117368, 146710, 179504, 190723, 224380, 234736, 293420, 381446, 448760, 586840, 762892, 897520, 953615, 1173680, 1525784, 1907230, 3051568, 3814460, 7628920, 15257840]

約数ペア:

[(1, 15257840), (2, 7628920), (4, 3814460), (5, 3051568), (8, 1907230), (10, 1525784), (13, 1173680), (16, 953615), (17, 897520), (20, 762892), (26, 586840), (34, 448760), (40, 381446), (52, 293420), (65, 234736), (68, 224380), (80, 190723), (85, 179504), (104, 146710), (130, 117368), (136, 112190), (170, 89752), (208, 73355), (221, 69040), (260, 58684), (272, 56095), (340, 44876), (442, 34520), (520, 29342), (680, 22438), (863, 17680), (884, 17260), (1040, 14671), (1105, 13808), (1360, 11219), (1726, 8840), (1768, 8630), (2210, 6904), (3452, 4420), (3536, 4315)]