121019920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{216107}}^1$

素因数の和:216127

約数の個数: 40

約数和(自身を含む): 321568704

約数和(自身を除く): 200548784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 216107, 432214, 864428, 1080535, 1512749, 1728856, 2161070, 3025498, 3457712, 4322140, 6050996, 7563745, 8644280, 12101992, 15127490, 17288560, 24203984, 30254980, 60509960, 121019920]

約数ペア:

[(1, 121019920), (2, 60509960), (4, 30254980), (5, 24203984), (7, 17288560), (8, 15127490), (10, 12101992), (14, 8644280), (16, 7563745), (20, 6050996), (28, 4322140), (35, 3457712), (40, 3025498), (56, 2161070), (70, 1728856), (80, 1512749), (112, 1080535), (140, 864428), (280, 432214), (560, 216107)]