31479780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1709}}^1$

素因数の和:2028

約数の個数: 48

約数和(自身を含む): 88482240

約数和(自身を除く): 57002460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 307, 614, 921, 1228, 1535, 1709, 1842, 3070, 3418, 3684, 4605, 5127, 6140, 6836, 8545, 9210, 10254, 17090, 18420, 20508, 25635, 34180, 51270, 102540, 524663, 1049326, 1573989, 2098652, 2623315, 3147978, 5246630, 6295956, 7869945, 10493260, 15739890, 31479780]

約数ペア:

[(1, 31479780), (2, 15739890), (3, 10493260), (4, 7869945), (5, 6295956), (6, 5246630), (10, 3147978), (12, 2623315), (15, 2098652), (20, 1573989), (30, 1049326), (60, 524663), (307, 102540), (614, 51270), (921, 34180), (1228, 25635), (1535, 20508), (1709, 18420), (1842, 17090), (3070, 10254), (3418, 9210), (3684, 8545), (4605, 6836), (5127, 6140)]