28079610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71999}}^1$

素因数の和:72022

約数の個数: 32

約数和(自身を含む): 72576000

約数和(自身を除く): 44496390

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 71999, 143998, 215997, 359995, 431994, 719990, 935987, 1079985, 1871974, 2159970, 2807961, 4679935, 5615922, 9359870, 14039805, 28079610]

約数ペア:

[(1, 28079610), (2, 14039805), (3, 9359870), (5, 5615922), (6, 4679935), (10, 2807961), (13, 2159970), (15, 1871974), (26, 1079985), (30, 935987), (39, 719990), (65, 431994), (78, 359995), (130, 215997), (195, 143998), (390, 71999)]