18313320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1511}}^1$

素因数の和:1626

約数の個数: 64

約数和(自身を含む): 55520640

約数和(自身を除く): 37207320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1511, 1515, 2020, 2424, 3022, 3030, 4040, 4533, 6044, 6060, 7555, 9066, 12088, 12120, 15110, 18132, 22665, 30220, 36264, 45330, 60440, 90660, 152611, 181320, 305222, 457833, 610444, 763055, 915666, 1220888, 1526110, 1831332, 2289165, 3052220, 3662664, 4578330, 6104440, 9156660, 18313320]

約数ペア:

[(1, 18313320), (2, 9156660), (3, 6104440), (4, 4578330), (5, 3662664), (6, 3052220), (8, 2289165), (10, 1831332), (12, 1526110), (15, 1220888), (20, 915666), (24, 763055), (30, 610444), (40, 457833), (60, 305222), (101, 181320), (120, 152611), (202, 90660), (303, 60440), (404, 45330), (505, 36264), (606, 30220), (808, 22665), (1010, 18132), (1212, 15110), (1511, 12120), (1515, 12088), (2020, 9066), (2424, 7555), (3022, 6060), (3030, 6044), (4040, 4533)]