204912780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{2473}}^1$

素因数の和:3866

約数の個数: 48

約数和(自身を含む): 574403424

約数和(自身を除く): 369490644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1381, 2473, 2762, 4143, 4946, 5524, 6905, 7419, 8286, 9892, 12365, 13810, 14838, 16572, 20715, 24730, 27620, 29676, 37095, 41430, 49460, 74190, 82860, 148380, 3415213, 6830426, 10245639, 13660852, 17076065, 20491278, 34152130, 40982556, 51228195, 68304260, 102456390, 204912780]

約数ペア:

[(1, 204912780), (2, 102456390), (3, 68304260), (4, 51228195), (5, 40982556), (6, 34152130), (10, 20491278), (12, 17076065), (15, 13660852), (20, 10245639), (30, 6830426), (60, 3415213), (1381, 148380), (2473, 82860), (2762, 74190), (4143, 49460), (4946, 41430), (5524, 37095), (6905, 29676), (7419, 27620), (8286, 24730), (9892, 20715), (12365, 16572), (13810, 14838)]