1211080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 3129840

約数和(自身を除く): 1918760

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 137, 170, 221, 260, 274, 340, 442, 520, 548, 680, 685, 884, 1096, 1105, 1370, 1768, 1781, 2210, 2329, 2740, 3562, 4420, 4658, 5480, 7124, 8840, 8905, 9316, 11645, 14248, 17810, 18632, 23290, 30277, 35620, 46580, 60554, 71240, 93160, 121108, 151385, 242216, 302770, 605540, 1211080]

約数ペア:

[(1, 1211080), (2, 605540), (4, 302770), (5, 242216), (8, 151385), (10, 121108), (13, 93160), (17, 71240), (20, 60554), (26, 46580), (34, 35620), (40, 30277), (52, 23290), (65, 18632), (68, 17810), (85, 14248), (104, 11645), (130, 9316), (136, 8905), (137, 8840), (170, 7124), (221, 5480), (260, 4658), (274, 4420), (340, 3562), (442, 2740), (520, 2329), (548, 2210), (680, 1781), (685, 1768), (884, 1370), (1096, 1105)]