210913080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{251087}}^1$

素因数の和:251108

約数の個数: 64

約数和(自身を含む): 723133440

約数和(自身を除く): 512220360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 251087, 502174, 753261, 1004348, 1255435, 1506522, 1757609, 2008696, 2510870, 3013044, 3515218, 3766305, 5021740, 5272827, 6026088, 7030436, 7532610, 8788045, 10043480, 10545654, 14060872, 15065220, 17576090, 21091308, 26364135, 30130440, 35152180, 42182616, 52728270, 70304360, 105456540, 210913080]

約数ペア:

[(1, 210913080), (2, 105456540), (3, 70304360), (4, 52728270), (5, 42182616), (6, 35152180), (7, 30130440), (8, 26364135), (10, 21091308), (12, 17576090), (14, 15065220), (15, 14060872), (20, 10545654), (21, 10043480), (24, 8788045), (28, 7532610), (30, 7030436), (35, 6026088), (40, 5272827), (42, 5021740), (56, 3766305), (60, 3515218), (70, 3013044), (84, 2510870), (105, 2008696), (120, 1757609), (140, 1506522), (168, 1255435), (210, 1004348), (280, 753261), (420, 502174), (840, 251087)]