15213640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1721}}^1$

素因数の和:1762

約数の個数: 64

約数和(自身を含む): 39054960

約数和(自身を除く): 23841320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1721, 1768, 2210, 3442, 4420, 6884, 8605, 8840, 13768, 17210, 22373, 29257, 34420, 44746, 58514, 68840, 89492, 111865, 117028, 146285, 178984, 223730, 234056, 292570, 380341, 447460, 585140, 760682, 894920, 1170280, 1521364, 1901705, 3042728, 3803410, 7606820, 15213640]

約数ペア:

[(1, 15213640), (2, 7606820), (4, 3803410), (5, 3042728), (8, 1901705), (10, 1521364), (13, 1170280), (17, 894920), (20, 760682), (26, 585140), (34, 447460), (40, 380341), (52, 292570), (65, 234056), (68, 223730), (85, 178984), (104, 146285), (130, 117028), (136, 111865), (170, 89492), (221, 68840), (260, 58514), (340, 44746), (442, 34420), (520, 29257), (680, 22373), (884, 17210), (1105, 13768), (1721, 8840), (1768, 8605), (2210, 6884), (3442, 4420)]