80252820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7309}}^1$

素因数の和:7385

約数の個数: 72

約数和(自身を含む): 247458120

約数和(自身を除く): 167205300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 7309, 10980, 14618, 21927, 29236, 36545, 43854, 65781, 73090, 87708, 109635, 131562, 146180, 219270, 263124, 328905, 438540, 445849, 657810, 891698, 1315620, 1337547, 1783396, 2229245, 2675094, 4012641, 4458490, 5350188, 6687735, 8025282, 8916980, 13375470, 16050564, 20063205, 26750940, 40126410, 80252820]

約数ペア:

[(1, 80252820), (2, 40126410), (3, 26750940), (4, 20063205), (5, 16050564), (6, 13375470), (9, 8916980), (10, 8025282), (12, 6687735), (15, 5350188), (18, 4458490), (20, 4012641), (30, 2675094), (36, 2229245), (45, 1783396), (60, 1337547), (61, 1315620), (90, 891698), (122, 657810), (180, 445849), (183, 438540), (244, 328905), (305, 263124), (366, 219270), (549, 146180), (610, 131562), (732, 109635), (915, 87708), (1098, 73090), (1220, 65781), (1830, 43854), (2196, 36545), (2745, 29236), (3660, 21927), (5490, 14618), (7309, 10980)]