9915780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23609}}^1$

素因数の和:23628

約数の個数: 48

約数和(自身を含む): 31731840

約数和(自身を除く): 21816060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 23609, 47218, 70827, 94436, 118045, 141654, 165263, 236090, 283308, 330526, 354135, 472180, 495789, 661052, 708270, 826315, 991578, 1416540, 1652630, 1983156, 2478945, 3305260, 4957890, 9915780]

約数ペア:

[(1, 9915780), (2, 4957890), (3, 3305260), (4, 2478945), (5, 1983156), (6, 1652630), (7, 1416540), (10, 991578), (12, 826315), (14, 708270), (15, 661052), (20, 495789), (21, 472180), (28, 354135), (30, 330526), (35, 283308), (42, 236090), (60, 165263), (70, 141654), (84, 118045), (105, 94436), (140, 70827), (210, 47218), (420, 23609)]