78986640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{329111}}^1$

素因数の和:329127

約数の個数: 40

約数和(自身を含む): 244859328

約数和(自身を除く): 165872688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 329111, 658222, 987333, 1316444, 1645555, 1974666, 2632888, 3291110, 3949332, 4936665, 5265776, 6582220, 7898664, 9873330, 13164440, 15797328, 19746660, 26328880, 39493320, 78986640]

約数ペア:

[(1, 78986640), (2, 39493320), (3, 26328880), (4, 19746660), (5, 15797328), (6, 13164440), (8, 9873330), (10, 7898664), (12, 6582220), (15, 5265776), (16, 4936665), (20, 3949332), (24, 3291110), (30, 2632888), (40, 1974666), (48, 1645555), (60, 1316444), (80, 987333), (120, 658222), (240, 329111)]