31885020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{577}}^1$

素因数の和:899

約数の個数: 72

約数和(自身を含む): 97201104

約数和(自身を除く): 65316084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 307, 577, 614, 921, 1154, 1228, 1535, 1731, 1842, 2308, 2763, 2885, 3070, 3462, 3684, 4605, 5193, 5526, 5770, 6140, 6924, 8655, 9210, 10386, 11052, 11540, 13815, 17310, 18420, 20772, 25965, 27630, 34620, 51930, 55260, 103860, 177139, 354278, 531417, 708556, 885695, 1062834, 1594251, 1771390, 2125668, 2657085, 3188502, 3542780, 5314170, 6377004, 7971255, 10628340, 15942510, 31885020]

約数ペア:

[(1, 31885020), (2, 15942510), (3, 10628340), (4, 7971255), (5, 6377004), (6, 5314170), (9, 3542780), (10, 3188502), (12, 2657085), (15, 2125668), (18, 1771390), (20, 1594251), (30, 1062834), (36, 885695), (45, 708556), (60, 531417), (90, 354278), (180, 177139), (307, 103860), (577, 55260), (614, 51930), (921, 34620), (1154, 27630), (1228, 25965), (1535, 20772), (1731, 18420), (1842, 17310), (2308, 13815), (2763, 11540), (2885, 11052), (3070, 10386), (3462, 9210), (3684, 8655), (4605, 6924), (5193, 6140), (5526, 5770)]