154928080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{349}}^1$

素因数の和:572

約数の個数: 80

約数和(自身を含む): 374976000

約数和(自身を除く): 220047920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 179, 248, 310, 349, 358, 496, 620, 698, 716, 895, 1240, 1396, 1432, 1745, 1790, 2480, 2792, 2864, 3490, 3580, 5549, 5584, 6980, 7160, 10819, 11098, 13960, 14320, 21638, 22196, 27745, 27920, 43276, 44392, 54095, 55490, 62471, 86552, 88784, 108190, 110980, 124942, 173104, 216380, 221960, 249884, 312355, 432760, 443920, 499768, 624710, 865520, 999536, 1249420, 1936601, 2498840, 3873202, 4997680, 7746404, 9683005, 15492808, 19366010, 30985616, 38732020, 77464040, 154928080]

約数ペア:

[(1, 154928080), (2, 77464040), (4, 38732020), (5, 30985616), (8, 19366010), (10, 15492808), (16, 9683005), (20, 7746404), (31, 4997680), (40, 3873202), (62, 2498840), (80, 1936601), (124, 1249420), (155, 999536), (179, 865520), (248, 624710), (310, 499768), (349, 443920), (358, 432760), (496, 312355), (620, 249884), (698, 221960), (716, 216380), (895, 173104), (1240, 124942), (1396, 110980), (1432, 108190), (1745, 88784), (1790, 86552), (2480, 62471), (2792, 55490), (2864, 54095), (3490, 44392), (3580, 43276), (5549, 27920), (5584, 27745), (6980, 22196), (7160, 21638), (10819, 14320), (11098, 13960)]