681666660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{13477}}^1$

素因数の和:13773

約数の個数: 72

約数和(自身を含む): 2075234616

約数和(自身を除く): 1393567956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 281, 562, 843, 1124, 1405, 1686, 2529, 2810, 3372, 4215, 5058, 5620, 8430, 10116, 12645, 13477, 16860, 25290, 26954, 40431, 50580, 53908, 67385, 80862, 121293, 134770, 161724, 202155, 242586, 269540, 404310, 485172, 606465, 808620, 1212930, 2425860, 3787037, 7574074, 11361111, 15148148, 18935185, 22722222, 34083333, 37870370, 45444444, 56805555, 68166666, 75740740, 113611110, 136333332, 170416665, 227222220, 340833330, 681666660]

約数ペア:

[(1, 681666660), (2, 340833330), (3, 227222220), (4, 170416665), (5, 136333332), (6, 113611110), (9, 75740740), (10, 68166666), (12, 56805555), (15, 45444444), (18, 37870370), (20, 34083333), (30, 22722222), (36, 18935185), (45, 15148148), (60, 11361111), (90, 7574074), (180, 3787037), (281, 2425860), (562, 1212930), (843, 808620), (1124, 606465), (1405, 485172), (1686, 404310), (2529, 269540), (2810, 242586), (3372, 202155), (4215, 161724), (5058, 134770), (5620, 121293), (8430, 80862), (10116, 67385), (12645, 53908), (13477, 50580), (16860, 40431), (25290, 26954)]