51485640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{881}}^1$

素因数の和:1382

約数の個数: 64

約数和(自身を含む): 154949760

約数和(自身を除く): 103464120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 487, 881, 974, 1461, 1762, 1948, 2435, 2643, 2922, 3524, 3896, 4405, 4870, 5286, 5844, 7048, 7305, 8810, 9740, 10572, 11688, 13215, 14610, 17620, 19480, 21144, 26430, 29220, 35240, 52860, 58440, 105720, 429047, 858094, 1287141, 1716188, 2145235, 2574282, 3432376, 4290470, 5148564, 6435705, 8580940, 10297128, 12871410, 17161880, 25742820, 51485640]

約数ペア:

[(1, 51485640), (2, 25742820), (3, 17161880), (4, 12871410), (5, 10297128), (6, 8580940), (8, 6435705), (10, 5148564), (12, 4290470), (15, 3432376), (20, 2574282), (24, 2145235), (30, 1716188), (40, 1287141), (60, 858094), (120, 429047), (487, 105720), (881, 58440), (974, 52860), (1461, 35240), (1762, 29220), (1948, 26430), (2435, 21144), (2643, 19480), (2922, 17620), (3524, 14610), (3896, 13215), (4405, 11688), (4870, 10572), (5286, 9740), (5844, 8810), (7048, 7305)]