240698120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{462881}}^1$

素因数の和:462905

約数の個数: 32

約数和(自身を含む): 583231320

約数和(自身を除く): 342533200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 462881, 925762, 1851524, 2314405, 3703048, 4628810, 6017453, 9257620, 12034906, 18515240, 24069812, 30087265, 48139624, 60174530, 120349060, 240698120]

約数ペア:

[(1, 240698120), (2, 120349060), (4, 60174530), (5, 48139624), (8, 30087265), (10, 24069812), (13, 18515240), (20, 12034906), (26, 9257620), (40, 6017453), (52, 4628810), (65, 3703048), (104, 2314405), (130, 1851524), (260, 925762), (520, 462881)]