240660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{191}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 838656

約数和(自身を除く): 597996

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 191, 210, 252, 315, 382, 420, 573, 630, 764, 955, 1146, 1260, 1337, 1719, 1910, 2292, 2674, 2865, 3438, 3820, 4011, 5348, 5730, 6685, 6876, 8022, 8595, 11460, 12033, 13370, 16044, 17190, 20055, 24066, 26740, 34380, 40110, 48132, 60165, 80220, 120330, 240660]

約数ペア:

[(1, 240660), (2, 120330), (3, 80220), (4, 60165), (5, 48132), (6, 40110), (7, 34380), (9, 26740), (10, 24066), (12, 20055), (14, 17190), (15, 16044), (18, 13370), (20, 12033), (21, 11460), (28, 8595), (30, 8022), (35, 6876), (36, 6685), (42, 5730), (45, 5348), (60, 4011), (63, 3820), (70, 3438), (84, 2865), (90, 2674), (105, 2292), (126, 1910), (140, 1719), (180, 1337), (191, 1260), (210, 1146), (252, 955), (315, 764), (382, 630), (420, 573)]