15439620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{36761}}^1$

素因数の和:36780

約数の個数: 48

約数和(自身を含む): 49408128

約数和(自身を除く): 33968508

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, 36761, 73522, 110283, 147044, 183805, 220566, 257327, 367610, 441132, 514654, 551415, 735220, 771981, 1029308, 1102830, 1286635, 1543962, 2205660, 2573270, 3087924, 3859905, 5146540, 7719810, 15439620]

約数ペア:

[(1, 15439620), (2, 7719810), (3, 5146540), (4, 3859905), (5, 3087924), (6, 2573270), (7, 2205660), (10, 1543962), (12, 1286635), (14, 1102830), (15, 1029308), (20, 771981), (21, 735220), (28, 551415), (30, 514654), (35, 441132), (42, 367610), (60, 257327), (70, 220566), (84, 183805), (105, 147044), (140, 110283), (210, 73522), (420, 36761)]