281089620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{223087}}^1$

素因数の和:223109

約数の個数: 72

約数和(自身を含む): 974448384

約数和(自身を除く): 693358764

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, 210, 252, 315, 420, 630, 1260, 223087, 446174, 669261, 892348, 1115435, 1338522, 1561609, 2007783, 2230870, 2677044, 3123218, 3346305, 4015566, 4461740, 4684827, 6246436, 6692610, 7808045, 8031132, 9369654, 10038915, 13385220, 14054481, 15616090, 18739308, 20077830, 23424135, 28108962, 31232180, 40155660, 46848270, 56217924, 70272405, 93696540, 140544810, 281089620]

約数ペア:

[(1, 281089620), (2, 140544810), (3, 93696540), (4, 70272405), (5, 56217924), (6, 46848270), (7, 40155660), (9, 31232180), (10, 28108962), (12, 23424135), (14, 20077830), (15, 18739308), (18, 15616090), (20, 14054481), (21, 13385220), (28, 10038915), (30, 9369654), (35, 8031132), (36, 7808045), (42, 6692610), (45, 6246436), (60, 4684827), (63, 4461740), (70, 4015566), (84, 3346305), (90, 3123218), (105, 2677044), (126, 2230870), (140, 2007783), (180, 1561609), (210, 1338522), (252, 1115435), (315, 892348), (420, 669261), (630, 446174), (1260, 223087)]