123681180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{294479}}^1$

素因数の和:294498

約数の個数: 48

約数和(自身を含む): 395781120

約数和(自身を除く): 272099940

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, 294479, 588958, 883437, 1177916, 1472395, 1766874, 2061353, 2944790, 3533748, 4122706, 4417185, 5889580, 6184059, 8245412, 8834370, 10306765, 12368118, 17668740, 20613530, 24736236, 30920295, 41227060, 61840590, 123681180]

約数ペア:

[(1, 123681180), (2, 61840590), (3, 41227060), (4, 30920295), (5, 24736236), (6, 20613530), (7, 17668740), (10, 12368118), (12, 10306765), (14, 8834370), (15, 8245412), (20, 6184059), (21, 5889580), (28, 4417185), (30, 4122706), (35, 3533748), (42, 2944790), (60, 2061353), (70, 1766874), (84, 1472395), (105, 1177916), (140, 883437), (210, 588958), (420, 294479)]