30761080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1801}}^1$

素因数の和:1880

約数の個数: 64

約数和(自身を含む): 80441280

約数和(自身を除く): 49680200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 1801, 2135, 2440, 3416, 3602, 4270, 7204, 8540, 9005, 12607, 14408, 17080, 18010, 25214, 36020, 50428, 63035, 72040, 100856, 109861, 126070, 219722, 252140, 439444, 504280, 549305, 769027, 878888, 1098610, 1538054, 2197220, 3076108, 3845135, 4394440, 6152216, 7690270, 15380540, 30761080]

約数ペア:

[(1, 30761080), (2, 15380540), (4, 7690270), (5, 6152216), (7, 4394440), (8, 3845135), (10, 3076108), (14, 2197220), (20, 1538054), (28, 1098610), (35, 878888), (40, 769027), (56, 549305), (61, 504280), (70, 439444), (122, 252140), (140, 219722), (244, 126070), (280, 109861), (305, 100856), (427, 72040), (488, 63035), (610, 50428), (854, 36020), (1220, 25214), (1708, 18010), (1801, 17080), (2135, 14408), (2440, 12607), (3416, 9005), (3602, 8540), (4270, 7204)]