123928020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{23741}}^1$

素因数の和:23785

約数の個数: 72

約数和(自身を含む): 388893960

約数和(自身を除く): 264965940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 23741, 47482, 71223, 94964, 118705, 142446, 213669, 237410, 284892, 356115, 427338, 474820, 688489, 712230, 854676, 1068345, 1376978, 1424460, 2065467, 2136690, 2753956, 3442445, 4130934, 4273380, 6196401, 6884890, 8261868, 10327335, 12392802, 13769780, 20654670, 24785604, 30982005, 41309340, 61964010, 123928020]

約数ペア:

[(1, 123928020), (2, 61964010), (3, 41309340), (4, 30982005), (5, 24785604), (6, 20654670), (9, 13769780), (10, 12392802), (12, 10327335), (15, 8261868), (18, 6884890), (20, 6196401), (29, 4273380), (30, 4130934), (36, 3442445), (45, 2753956), (58, 2136690), (60, 2065467), (87, 1424460), (90, 1376978), (116, 1068345), (145, 854676), (174, 712230), (180, 688489), (261, 474820), (290, 427338), (348, 356115), (435, 284892), (522, 237410), (580, 213669), (870, 142446), (1044, 118705), (1305, 94964), (1740, 71223), (2610, 47482), (5220, 23741)]