80905050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{163}}^1\times {\mathrm{1103}}^1$

素因数の和:1284

約数の個数: 72

約数和(自身を含む): 218896704

約数和(自身を除く): 137991654

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 163, 225, 326, 450, 489, 815, 978, 1103, 1467, 1630, 2206, 2445, 2934, 3309, 4075, 4890, 5515, 6618, 7335, 8150, 9927, 11030, 12225, 14670, 16545, 19854, 24450, 27575, 33090, 36675, 49635, 55150, 73350, 82725, 99270, 165450, 179789, 248175, 359578, 496350, 539367, 898945, 1078734, 1618101, 1797890, 2696835, 3236202, 4494725, 5393670, 8090505, 8989450, 13484175, 16181010, 26968350, 40452525, 80905050]

約数ペア:

[(1, 80905050), (2, 40452525), (3, 26968350), (5, 16181010), (6, 13484175), (9, 8989450), (10, 8090505), (15, 5393670), (18, 4494725), (25, 3236202), (30, 2696835), (45, 1797890), (50, 1618101), (75, 1078734), (90, 898945), (150, 539367), (163, 496350), (225, 359578), (326, 248175), (450, 179789), (489, 165450), (815, 99270), (978, 82725), (1103, 73350), (1467, 55150), (1630, 49635), (2206, 36675), (2445, 33090), (2934, 27575), (3309, 24450), (4075, 19854), (4890, 16545), (5515, 14670), (6618, 12225), (7335, 11030), (8150, 9927)]