31331220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1163}}^1$

素因数の和:1624

約数の個数: 48

約数和(自身を含む): 87998400

約数和(自身を除く): 56667180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 449, 898, 1163, 1347, 1796, 2245, 2326, 2694, 3489, 4490, 4652, 5388, 5815, 6735, 6978, 8980, 11630, 13470, 13956, 17445, 23260, 26940, 34890, 69780, 522187, 1044374, 1566561, 2088748, 2610935, 3133122, 5221870, 6266244, 7832805, 10443740, 15665610, 31331220]

約数ペア:

[(1, 31331220), (2, 15665610), (3, 10443740), (4, 7832805), (5, 6266244), (6, 5221870), (10, 3133122), (12, 2610935), (15, 2088748), (20, 1566561), (30, 1044374), (60, 522187), (449, 69780), (898, 34890), (1163, 26940), (1347, 23260), (1796, 17445), (2245, 13956), (2326, 13470), (2694, 11630), (3489, 8980), (4490, 6978), (4652, 6735), (5388, 5815)]