12647790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1579}}^1$

素因数の和:1681

約数の個数: 48

約数和(自身を含む): 33274800

約数和(自身を除く): 20627010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 178, 267, 445, 534, 801, 890, 1335, 1579, 1602, 2670, 3158, 4005, 4737, 7895, 8010, 9474, 14211, 15790, 23685, 28422, 47370, 71055, 140531, 142110, 281062, 421593, 702655, 843186, 1264779, 1405310, 2107965, 2529558, 4215930, 6323895, 12647790]

約数ペア:

[(1, 12647790), (2, 6323895), (3, 4215930), (5, 2529558), (6, 2107965), (9, 1405310), (10, 1264779), (15, 843186), (18, 702655), (30, 421593), (45, 281062), (89, 142110), (90, 140531), (178, 71055), (267, 47370), (445, 28422), (534, 23685), (801, 15790), (890, 14211), (1335, 9474), (1579, 8010), (1602, 7895), (2670, 4737), (3158, 4005)]