30739480

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1667}}^1$

素因数の和:2139

約数の個数: 32

約数和(自身を含む): 69355440

約数和(自身を除く): 38615960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1667, 1844, 2305, 3334, 3688, 4610, 6668, 8335, 9220, 13336, 16670, 18440, 33340, 66680, 768487, 1536974, 3073948, 3842435, 6147896, 7684870, 15369740, 30739480]

約数ペア:

[(1, 30739480), (2, 15369740), (4, 7684870), (5, 6147896), (8, 3842435), (10, 3073948), (20, 1536974), (40, 768487), (461, 66680), (922, 33340), (1667, 18440), (1844, 16670), (2305, 13336), (3334, 9220), (3688, 8335), (4610, 6668)]