61971420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{147551}}^1$

素因数の和:147570

約数の個数: 48

約数和(自身を含む): 198309888

約数和(自身を除く): 136338468

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, 147551, 295102, 442653, 590204, 737755, 885306, 1032857, 1475510, 1770612, 2065714, 2213265, 2951020, 3098571, 4131428, 4426530, 5164285, 6197142, 8853060, 10328570, 12394284, 15492855, 20657140, 30985710, 61971420]

約数ペア:

[(1, 61971420), (2, 30985710), (3, 20657140), (4, 15492855), (5, 12394284), (6, 10328570), (7, 8853060), (10, 6197142), (12, 5164285), (14, 4426530), (15, 4131428), (20, 3098571), (21, 2951020), (28, 2213265), (30, 2065714), (35, 1770612), (42, 1475510), (60, 1032857), (70, 885306), (84, 737755), (105, 590204), (140, 442653), (210, 295102), (420, 147551)]