154782680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{297659}}^1$

素因数の和:297683

約数の個数: 32

約数和(自身を含む): 375051600

約数和(自身を除く): 220268920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 297659, 595318, 1190636, 1488295, 2381272, 2976590, 3869567, 5953180, 7739134, 11906360, 15478268, 19347835, 30956536, 38695670, 77391340, 154782680]

約数ペア:

[(1, 154782680), (2, 77391340), (4, 38695670), (5, 30956536), (8, 19347835), (10, 15478268), (13, 11906360), (20, 7739134), (26, 5953180), (40, 3869567), (52, 2976590), (65, 2381272), (104, 1488295), (130, 1190636), (260, 595318), (520, 297659)]