8918940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{281}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 26198928

約数和(自身を除く): 17279988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 281, 345, 460, 529, 562, 690, 843, 1058, 1124, 1380, 1405, 1587, 1686, 2116, 2645, 2810, 3174, 3372, 4215, 5290, 5620, 6348, 6463, 7935, 8430, 10580, 12926, 15870, 16860, 19389, 25852, 31740, 32315, 38778, 64630, 77556, 96945, 129260, 148649, 193890, 297298, 387780, 445947, 594596, 743245, 891894, 1486490, 1783788, 2229735, 2972980, 4459470, 8918940]

約数ペア:

[(1, 8918940), (2, 4459470), (3, 2972980), (4, 2229735), (5, 1783788), (6, 1486490), (10, 891894), (12, 743245), (15, 594596), (20, 445947), (23, 387780), (30, 297298), (46, 193890), (60, 148649), (69, 129260), (92, 96945), (115, 77556), (138, 64630), (230, 38778), (276, 32315), (281, 31740), (345, 25852), (460, 19389), (529, 16860), (562, 15870), (690, 12926), (843, 10580), (1058, 8430), (1124, 7935), (1380, 6463), (1405, 6348), (1587, 5620), (1686, 5290), (2116, 4215), (2645, 3372), (2810, 3174)]