15603980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{491}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 37691136

約数和(自身を除く): 22087156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 454, 491, 908, 982, 1135, 1589, 1964, 2270, 2455, 3178, 3437, 4540, 4910, 6356, 6874, 7945, 9820, 13748, 15890, 17185, 31780, 34370, 68740, 111457, 222914, 445828, 557285, 780199, 1114570, 1560398, 2229140, 3120796, 3900995, 7801990, 15603980]

約数ペア:

[(1, 15603980), (2, 7801990), (4, 3900995), (5, 3120796), (7, 2229140), (10, 1560398), (14, 1114570), (20, 780199), (28, 557285), (35, 445828), (70, 222914), (140, 111457), (227, 68740), (454, 34370), (491, 31780), (908, 17185), (982, 15890), (1135, 13748), (1589, 9820), (1964, 7945), (2270, 6874), (2455, 6356), (3178, 4910), (3437, 4540)]