261546960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15349}}^1$

素因数の和:15436

約数の個数: 80

約数和(自身を含む): 822268800

約数和(自身を除く): 560721840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 213, 240, 284, 355, 426, 568, 710, 852, 1065, 1136, 1420, 1704, 2130, 2840, 3408, 4260, 5680, 8520, 15349, 17040, 30698, 46047, 61396, 76745, 92094, 122792, 153490, 184188, 230235, 245584, 306980, 368376, 460470, 613960, 736752, 920940, 1089779, 1227920, 1841880, 2179558, 3269337, 3683760, 4359116, 5448895, 6538674, 8718232, 10897790, 13077348, 16346685, 17436464, 21795580, 26154696, 32693370, 43591160, 52309392, 65386740, 87182320, 130773480, 261546960]

約数ペア:

[(1, 261546960), (2, 130773480), (3, 87182320), (4, 65386740), (5, 52309392), (6, 43591160), (8, 32693370), (10, 26154696), (12, 21795580), (15, 17436464), (16, 16346685), (20, 13077348), (24, 10897790), (30, 8718232), (40, 6538674), (48, 5448895), (60, 4359116), (71, 3683760), (80, 3269337), (120, 2179558), (142, 1841880), (213, 1227920), (240, 1089779), (284, 920940), (355, 736752), (426, 613960), (568, 460470), (710, 368376), (852, 306980), (1065, 245584), (1136, 230235), (1420, 184188), (1704, 153490), (2130, 122792), (2840, 92094), (3408, 76745), (4260, 61396), (5680, 46047), (8520, 30698), (15349, 17040)]