154903920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{645433}}^1$

素因数の和:645449

約数の個数: 40

約数和(自身を含む): 480202896

約数和(自身を除く): 325298976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 645433, 1290866, 1936299, 2581732, 3227165, 3872598, 5163464, 6454330, 7745196, 9681495, 10326928, 12908660, 15490392, 19362990, 25817320, 30980784, 38725980, 51634640, 77451960, 154903920]

約数ペア:

[(1, 154903920), (2, 77451960), (3, 51634640), (4, 38725980), (5, 30980784), (6, 25817320), (8, 19362990), (10, 15490392), (12, 12908660), (15, 10326928), (16, 9681495), (20, 7745196), (24, 6454330), (30, 5163464), (40, 3872598), (48, 3227165), (60, 2581732), (80, 1936299), (120, 1290866), (240, 645433)]