9979620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23761}}^1$

素因数の和:23780

約数の個数: 48

約数和(自身を含む): 31936128

約数和(自身を除く): 21956508

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, 23761, 47522, 71283, 95044, 118805, 142566, 166327, 237610, 285132, 332654, 356415, 475220, 498981, 665308, 712830, 831635, 997962, 1425660, 1663270, 1995924, 2494905, 3326540, 4989810, 9979620]

約数ペア:

[(1, 9979620), (2, 4989810), (3, 3326540), (4, 2494905), (5, 1995924), (6, 1663270), (7, 1425660), (10, 997962), (12, 831635), (14, 712830), (15, 665308), (20, 498981), (21, 475220), (28, 356415), (30, 332654), (35, 285132), (42, 237610), (60, 166327), (70, 142566), (84, 118805), (105, 95044), (140, 71283), (210, 47522), (420, 23761)]