87469620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{208261}}^1$

素因数の和:208280

約数の個数: 48

約数和(自身を含む): 279904128

約数和(自身を除く): 192434508

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, 208261, 416522, 624783, 833044, 1041305, 1249566, 1457827, 2082610, 2499132, 2915654, 3123915, 4165220, 4373481, 5831308, 6247830, 7289135, 8746962, 12495660, 14578270, 17493924, 21867405, 29156540, 43734810, 87469620]

約数ペア:

[(1, 87469620), (2, 43734810), (3, 29156540), (4, 21867405), (5, 17493924), (6, 14578270), (7, 12495660), (10, 8746962), (12, 7289135), (14, 6247830), (15, 5831308), (20, 4373481), (21, 4165220), (28, 3123915), (30, 2915654), (35, 2499132), (42, 2082610), (60, 1457827), (70, 1249566), (84, 1041305), (105, 833044), (140, 624783), (210, 416522), (420, 208261)]