121897260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15749}}^1$

素因数の和:15807

約数の個数: 72

約数和(自身を含む): 378378000

約数和(自身を除く): 256480740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 15749, 31498, 47247, 62996, 78745, 94494, 141741, 157490, 188988, 236235, 283482, 314980, 472470, 566964, 677207, 708705, 944940, 1354414, 1417410, 2031621, 2708828, 2834820, 3386035, 4063242, 6094863, 6772070, 8126484, 10158105, 12189726, 13544140, 20316210, 24379452, 30474315, 40632420, 60948630, 121897260]

約数ペア:

[(1, 121897260), (2, 60948630), (3, 40632420), (4, 30474315), (5, 24379452), (6, 20316210), (9, 13544140), (10, 12189726), (12, 10158105), (15, 8126484), (18, 6772070), (20, 6094863), (30, 4063242), (36, 3386035), (43, 2834820), (45, 2708828), (60, 2031621), (86, 1417410), (90, 1354414), (129, 944940), (172, 708705), (180, 677207), (215, 566964), (258, 472470), (387, 314980), (430, 283482), (516, 236235), (645, 188988), (774, 157490), (860, 141741), (1290, 94494), (1548, 78745), (1935, 62996), (2580, 47247), (3870, 31498), (7740, 15749)]