266280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{317}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 915840

約数和(自身を除く): 649560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 317, 420, 634, 840, 951, 1268, 1585, 1902, 2219, 2536, 3170, 3804, 4438, 4755, 6340, 6657, 7608, 8876, 9510, 11095, 12680, 13314, 17752, 19020, 22190, 26628, 33285, 38040, 44380, 53256, 66570, 88760, 133140, 266280]

約数ペア:

[(1, 266280), (2, 133140), (3, 88760), (4, 66570), (5, 53256), (6, 44380), (7, 38040), (8, 33285), (10, 26628), (12, 22190), (14, 19020), (15, 17752), (20, 13314), (21, 12680), (24, 11095), (28, 9510), (30, 8876), (35, 7608), (40, 6657), (42, 6340), (56, 4755), (60, 4438), (70, 3804), (84, 3170), (105, 2536), (120, 2219), (140, 1902), (168, 1585), (210, 1268), (280, 951), (317, 840), (420, 634)]