31200420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{983}}^1$

素因数の和:1041

約数の個数: 72

約数和(自身を含む): 91417536

約数和(自身を除く): 60217116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 529, 690, 983, 1058, 1380, 1587, 1966, 2116, 2645, 2949, 3174, 3932, 4915, 5290, 5898, 6348, 7935, 9830, 10580, 11796, 14745, 15870, 19660, 22609, 29490, 31740, 45218, 58980, 67827, 90436, 113045, 135654, 226090, 271308, 339135, 452180, 520007, 678270, 1040014, 1356540, 1560021, 2080028, 2600035, 3120042, 5200070, 6240084, 7800105, 10400140, 15600210, 31200420]

約数ペア:

[(1, 31200420), (2, 15600210), (3, 10400140), (4, 7800105), (5, 6240084), (6, 5200070), (10, 3120042), (12, 2600035), (15, 2080028), (20, 1560021), (23, 1356540), (30, 1040014), (46, 678270), (60, 520007), (69, 452180), (92, 339135), (115, 271308), (138, 226090), (230, 135654), (276, 113045), (345, 90436), (460, 67827), (529, 58980), (690, 45218), (983, 31740), (1058, 29490), (1380, 22609), (1587, 19660), (1966, 15870), (2116, 14745), (2645, 11796), (2949, 10580), (3174, 9830), (3932, 7935), (4915, 6348), (5290, 5898)]