77464040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{349}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 181440000

約数和(自身を除く): 103975960

約数列:

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

約数ペア:

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