15666317820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{207721}}^1$

素因数の和:208155

約数の個数: 72

約数和(自身を含む): 47634809040

約数和(自身を除く): 31968491220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 419, 838, 1257, 1676, 2095, 2514, 3771, 4190, 5028, 6285, 7542, 8380, 12570, 15084, 18855, 25140, 37710, 75420, 207721, 415442, 623163, 830884, 1038605, 1246326, 1869489, 2077210, 2492652, 3115815, 3738978, 4154420, 6231630, 7477956, 9347445, 12463260, 18694890, 37389780, 87035099, 174070198, 261105297, 348140396, 435175495, 522210594, 783315891, 870350990, 1044421188, 1305526485, 1566631782, 1740701980, 2611052970, 3133263564, 3916579455, 5222105940, 7833158910, 15666317820]

約数ペア:

[(1, 15666317820), (2, 7833158910), (3, 5222105940), (4, 3916579455), (5, 3133263564), (6, 2611052970), (9, 1740701980), (10, 1566631782), (12, 1305526485), (15, 1044421188), (18, 870350990), (20, 783315891), (30, 522210594), (36, 435175495), (45, 348140396), (60, 261105297), (90, 174070198), (180, 87035099), (419, 37389780), (838, 18694890), (1257, 12463260), (1676, 9347445), (2095, 7477956), (2514, 6231630), (3771, 4154420), (4190, 3738978), (5028, 3115815), (6285, 2492652), (7542, 2077210), (8380, 1869489), (12570, 1246326), (15084, 1038605), (18855, 830884), (25140, 623163), (37710, 415442), (75420, 207721)]