186903540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1993}}^1$

素因数の和:2529

約数の個数: 72

約数和(自身を含む): 568313928

約数和(自身を除く): 381410388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 521, 1042, 1563, 1993, 2084, 2605, 3126, 3986, 4689, 5210, 5979, 6252, 7815, 7972, 9378, 9965, 10420, 11958, 15630, 17937, 18756, 19930, 23445, 23916, 29895, 31260, 35874, 39860, 46890, 59790, 71748, 89685, 93780, 119580, 179370, 358740, 1038353, 2076706, 3115059, 4153412, 5191765, 6230118, 9345177, 10383530, 12460236, 15575295, 18690354, 20767060, 31150590, 37380708, 46725885, 62301180, 93451770, 186903540]

約数ペア:

[(1, 186903540), (2, 93451770), (3, 62301180), (4, 46725885), (5, 37380708), (6, 31150590), (9, 20767060), (10, 18690354), (12, 15575295), (15, 12460236), (18, 10383530), (20, 9345177), (30, 6230118), (36, 5191765), (45, 4153412), (60, 3115059), (90, 2076706), (180, 1038353), (521, 358740), (1042, 179370), (1563, 119580), (1993, 93780), (2084, 89685), (2605, 71748), (3126, 59790), (3986, 46890), (4689, 39860), (5210, 35874), (5979, 31260), (6252, 29895), (7815, 23916), (7972, 23445), (9378, 19930), (9965, 18756), (10420, 17937), (11958, 15630)]