18087120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{25121}}^1$

素因数の和:25140

約数の個数: 60

約数和(自身を含む): 60744996

約数和(自身を除く): 42657876

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 25121, 50242, 75363, 100484, 125605, 150726, 200968, 226089, 251210, 301452, 376815, 401936, 452178, 502420, 602904, 753630, 904356, 1004840, 1130445, 1205808, 1507260, 1808712, 2009680, 2260890, 3014520, 3617424, 4521780, 6029040, 9043560, 18087120]

約数ペア:

[(1, 18087120), (2, 9043560), (3, 6029040), (4, 4521780), (5, 3617424), (6, 3014520), (8, 2260890), (9, 2009680), (10, 1808712), (12, 1507260), (15, 1205808), (16, 1130445), (18, 1004840), (20, 904356), (24, 753630), (30, 602904), (36, 502420), (40, 452178), (45, 401936), (48, 376815), (60, 301452), (72, 251210), (80, 226089), (90, 200968), (120, 150726), (144, 125605), (180, 100484), (240, 75363), (360, 50242), (720, 25121)]