8238840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{967}}^1$

素因数の和:1052

約数の個数: 64

約数和(自身を含む): 25090560

約数和(自身を除く): 16851720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 967, 1065, 1420, 1704, 1934, 2130, 2840, 2901, 3868, 4260, 4835, 5802, 7736, 8520, 9670, 11604, 14505, 19340, 23208, 29010, 38680, 58020, 68657, 116040, 137314, 205971, 274628, 343285, 411942, 549256, 686570, 823884, 1029855, 1373140, 1647768, 2059710, 2746280, 4119420, 8238840]

約数ペア:

[(1, 8238840), (2, 4119420), (3, 2746280), (4, 2059710), (5, 1647768), (6, 1373140), (8, 1029855), (10, 823884), (12, 686570), (15, 549256), (20, 411942), (24, 343285), (30, 274628), (40, 205971), (60, 137314), (71, 116040), (120, 68657), (142, 58020), (213, 38680), (284, 29010), (355, 23208), (426, 19340), (568, 14505), (710, 11604), (852, 9670), (967, 8520), (1065, 7736), (1420, 5802), (1704, 4835), (1934, 4260), (2130, 3868), (2840, 2901)]