259675440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1081981}}^1$

素因数の和:1081997

約数の個数: 40

約数和(自身を含む): 804994608

約数和(自身を除く): 545319168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1081981, 2163962, 3245943, 4327924, 5409905, 6491886, 8655848, 10819810, 12983772, 16229715, 17311696, 21639620, 25967544, 32459430, 43279240, 51935088, 64918860, 86558480, 129837720, 259675440]

約数ペア:

[(1, 259675440), (2, 129837720), (3, 86558480), (4, 64918860), (5, 51935088), (6, 43279240), (8, 32459430), (10, 25967544), (12, 21639620), (15, 17311696), (16, 16229715), (20, 12983772), (24, 10819810), (30, 8655848), (40, 6491886), (48, 5409905), (60, 4327924), (80, 3245943), (120, 2163962), (240, 1081981)]