15721824140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{155017}}^1$

素因数の和:155498

約数の個数: 48

約数和(自身を含む): 36095631264

約数和(自身を除く): 20373807124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 461, 922, 1844, 2305, 4610, 5071, 9220, 10142, 20284, 25355, 50710, 101420, 155017, 310034, 620068, 775085, 1550170, 1705187, 3100340, 3410374, 6820748, 8525935, 17051870, 34103740, 71462837, 142925674, 285851348, 357314185, 714628370, 786091207, 1429256740, 1572182414, 3144364828, 3930456035, 7860912070, 15721824140]

約数ペア:

[(1, 15721824140), (2, 7860912070), (4, 3930456035), (5, 3144364828), (10, 1572182414), (11, 1429256740), (20, 786091207), (22, 714628370), (44, 357314185), (55, 285851348), (110, 142925674), (220, 71462837), (461, 34103740), (922, 17051870), (1844, 8525935), (2305, 6820748), (4610, 3410374), (5071, 3100340), (9220, 1705187), (10142, 1550170), (20284, 775085), (25355, 620068), (50710, 310034), (101420, 155017)]