78760520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1579}}^1$

素因数の和:1662

約数の個数: 64

約数和(自身を含む): 187704000

約数和(自身を除く): 108943480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 43, 58, 86, 116, 145, 172, 215, 232, 290, 344, 430, 580, 860, 1160, 1247, 1579, 1720, 2494, 3158, 4988, 6235, 6316, 7895, 9976, 12470, 12632, 15790, 24940, 31580, 45791, 49880, 63160, 67897, 91582, 135794, 183164, 228955, 271588, 339485, 366328, 457910, 543176, 678970, 915820, 1357940, 1831640, 1969013, 2715880, 3938026, 7876052, 9845065, 15752104, 19690130, 39380260, 78760520]

約数ペア:

[(1, 78760520), (2, 39380260), (4, 19690130), (5, 15752104), (8, 9845065), (10, 7876052), (20, 3938026), (29, 2715880), (40, 1969013), (43, 1831640), (58, 1357940), (86, 915820), (116, 678970), (145, 543176), (172, 457910), (215, 366328), (232, 339485), (290, 271588), (344, 228955), (430, 183164), (580, 135794), (860, 91582), (1160, 67897), (1247, 63160), (1579, 49880), (1720, 45791), (2494, 31580), (3158, 24940), (4988, 15790), (6235, 12632), (6316, 12470), (7895, 9976)]