51035220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1009}}^1$

素因数の和:1305

約数の個数: 72

約数和(自身を含む): 155511720

約数和(自身を除く): 104476500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 281, 562, 843, 1009, 1124, 1405, 1686, 2018, 2529, 2810, 3027, 3372, 4036, 4215, 5045, 5058, 5620, 6054, 8430, 9081, 10090, 10116, 12108, 12645, 15135, 16860, 18162, 20180, 25290, 30270, 36324, 45405, 50580, 60540, 90810, 181620, 283529, 567058, 850587, 1134116, 1417645, 1701174, 2551761, 2835290, 3402348, 4252935, 5103522, 5670580, 8505870, 10207044, 12758805, 17011740, 25517610, 51035220]

約数ペア:

[(1, 51035220), (2, 25517610), (3, 17011740), (4, 12758805), (5, 10207044), (6, 8505870), (9, 5670580), (10, 5103522), (12, 4252935), (15, 3402348), (18, 2835290), (20, 2551761), (30, 1701174), (36, 1417645), (45, 1134116), (60, 850587), (90, 567058), (180, 283529), (281, 181620), (562, 90810), (843, 60540), (1009, 50580), (1124, 45405), (1405, 36324), (1686, 30270), (2018, 25290), (2529, 20180), (2810, 18162), (3027, 16860), (3372, 15135), (4036, 12645), (4215, 12108), (5045, 10116), (5058, 10090), (5620, 9081), (6054, 8430)]