90238620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{2339}}^1$

素因数の和:2994

約数の個数: 48

約数和(自身を含む): 253169280

約数和(自身を除く): 162930660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 643, 1286, 1929, 2339, 2572, 3215, 3858, 4678, 6430, 7017, 7716, 9356, 9645, 11695, 12860, 14034, 19290, 23390, 28068, 35085, 38580, 46780, 70170, 140340, 1503977, 3007954, 4511931, 6015908, 7519885, 9023862, 15039770, 18047724, 22559655, 30079540, 45119310, 90238620]

約数ペア:

[(1, 90238620), (2, 45119310), (3, 30079540), (4, 22559655), (5, 18047724), (6, 15039770), (10, 9023862), (12, 7519885), (15, 6015908), (20, 4511931), (30, 3007954), (60, 1503977), (643, 140340), (1286, 70170), (1929, 46780), (2339, 38580), (2572, 35085), (3215, 28068), (3858, 23390), (4678, 19290), (6430, 14034), (7017, 12860), (7716, 11695), (9356, 9645)]