420997080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{501187}}^1$

素因数の和:501208

約数の個数: 64

約数和(自身を含む): 1443421440

約数和(自身を除く): 1022424360

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, 501187, 1002374, 1503561, 2004748, 2505935, 3007122, 3508309, 4009496, 5011870, 6014244, 7016618, 7517805, 10023740, 10524927, 12028488, 14033236, 15035610, 17541545, 20047480, 21049854, 28066472, 30071220, 35083090, 42099708, 52624635, 60142440, 70166180, 84199416, 105249270, 140332360, 210498540, 420997080]

約数ペア:

[(1, 420997080), (2, 210498540), (3, 140332360), (4, 105249270), (5, 84199416), (6, 70166180), (7, 60142440), (8, 52624635), (10, 42099708), (12, 35083090), (14, 30071220), (15, 28066472), (20, 21049854), (21, 20047480), (24, 17541545), (28, 15035610), (30, 14033236), (35, 12028488), (40, 10524927), (42, 10023740), (56, 7517805), (60, 7016618), (70, 6014244), (84, 5011870), (105, 4009496), (120, 3508309), (140, 3007122), (168, 2505935), (210, 2004748), (280, 1503561), (420, 1002374), (840, 501187)]