208811760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{870049}}^1$

素因数の和:870065

約数の個数: 40

約数和(自身を含む): 647317200

約数和(自身を除く): 438505440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 870049, 1740098, 2610147, 3480196, 4350245, 5220294, 6960392, 8700490, 10440588, 13050735, 13920784, 17400980, 20881176, 26101470, 34801960, 41762352, 52202940, 69603920, 104405880, 208811760]

約数ペア:

[(1, 208811760), (2, 104405880), (3, 69603920), (4, 52202940), (5, 41762352), (6, 34801960), (8, 26101470), (10, 20881176), (12, 17400980), (15, 13920784), (16, 13050735), (20, 10440588), (24, 8700490), (30, 6960392), (40, 5220294), (48, 4350245), (60, 3480196), (80, 2610147), (120, 1740098), (240, 870049)]