18204240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{751}}^1$

素因数の和:868

約数の個数: 80

約数和(自身を含む): 57067776

約数和(自身を除く): 38863536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 101, 120, 202, 240, 303, 404, 505, 606, 751, 808, 1010, 1212, 1502, 1515, 1616, 2020, 2253, 2424, 3004, 3030, 3755, 4040, 4506, 4848, 6008, 6060, 7510, 8080, 9012, 11265, 12016, 12120, 15020, 18024, 22530, 24240, 30040, 36048, 45060, 60080, 75851, 90120, 151702, 180240, 227553, 303404, 379255, 455106, 606808, 758510, 910212, 1137765, 1213616, 1517020, 1820424, 2275530, 3034040, 3640848, 4551060, 6068080, 9102120, 18204240]

約数ペア:

[(1, 18204240), (2, 9102120), (3, 6068080), (4, 4551060), (5, 3640848), (6, 3034040), (8, 2275530), (10, 1820424), (12, 1517020), (15, 1213616), (16, 1137765), (20, 910212), (24, 758510), (30, 606808), (40, 455106), (48, 379255), (60, 303404), (80, 227553), (101, 180240), (120, 151702), (202, 90120), (240, 75851), (303, 60080), (404, 45060), (505, 36048), (606, 30040), (751, 24240), (808, 22530), (1010, 18024), (1212, 15020), (1502, 12120), (1515, 12016), (1616, 11265), (2020, 9012), (2253, 8080), (2424, 7510), (3004, 6060), (3030, 6008), (3755, 4848), (4040, 4506)]