2680740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 8314488

約数和(自身を除く): 5633748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 281, 318, 477, 530, 562, 636, 795, 843, 954, 1060, 1124, 1405, 1590, 1686, 1908, 2385, 2529, 2810, 3180, 3372, 4215, 4770, 5058, 5620, 8430, 9540, 10116, 12645, 14893, 16860, 25290, 29786, 44679, 50580, 59572, 74465, 89358, 134037, 148930, 178716, 223395, 268074, 297860, 446790, 536148, 670185, 893580, 1340370, 2680740]

約数ペア:

[(1, 2680740), (2, 1340370), (3, 893580), (4, 670185), (5, 536148), (6, 446790), (9, 297860), (10, 268074), (12, 223395), (15, 178716), (18, 148930), (20, 134037), (30, 89358), (36, 74465), (45, 59572), (53, 50580), (60, 44679), (90, 29786), (106, 25290), (159, 16860), (180, 14893), (212, 12645), (265, 10116), (281, 9540), (318, 8430), (477, 5620), (530, 5058), (562, 4770), (636, 4215), (795, 3372), (843, 3180), (954, 2810), (1060, 2529), (1124, 2385), (1405, 1908), (1590, 1686)]