20180991768

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{503}}^1\times {\mathrm{3023}}^1$

素因数の和:3621

約数の個数: 128

約数和(自身を含む): 58525286400

約数和(自身を除く): 38344294632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 79, 84, 158, 168, 237, 316, 474, 503, 553, 632, 948, 1006, 1106, 1509, 1659, 1896, 2012, 2212, 3018, 3023, 3318, 3521, 4024, 4424, 6036, 6046, 6636, 7042, 9069, 10563, 12072, 12092, 13272, 14084, 18138, 21126, 21161, 24184, 28168, 36276, 39737, 42252, 42322, 63483, 72552, 79474, 84504, 84644, 119211, 126966, 158948, 169288, 238422, 238817, 253932, 278159, 317896, 476844, 477634, 507864, 556318, 716451, 834477, 953688, 955268, 1112636, 1432902, 1520569, 1668954, 1671719, 1910536, 2225272, 2865804, 3041138, 3337908, 3343438, 4561707, 5015157, 5731608, 6082276, 6675816, 6686876, 9123414, 10030314, 10643983, 12164552, 13373752, 18246828, 20060628, 21287966, 31931949, 36493656, 40121256, 42575932, 63863898, 85151864, 120124951, 127727796, 240249902, 255455592, 360374853, 480499804, 720749706, 840874657, 960999608, 1441499412, 1681749314, 2522623971, 2882998824, 3363498628, 5045247942, 6726997256, 10090495884, 20180991768]

約数ペア:

[(1, 20180991768), (2, 10090495884), (3, 6726997256), (4, 5045247942), (6, 3363498628), (7, 2882998824), (8, 2522623971), (12, 1681749314), (14, 1441499412), (21, 960999608), (24, 840874657), (28, 720749706), (42, 480499804), (56, 360374853), (79, 255455592), (84, 240249902), (158, 127727796), (168, 120124951), (237, 85151864), (316, 63863898), (474, 42575932), (503, 40121256), (553, 36493656), (632, 31931949), (948, 21287966), (1006, 20060628), (1106, 18246828), (1509, 13373752), (1659, 12164552), (1896, 10643983), (2012, 10030314), (2212, 9123414), (3018, 6686876), (3023, 6675816), (3318, 6082276), (3521, 5731608), (4024, 5015157), (4424, 4561707), (6036, 3343438), (6046, 3337908), (6636, 3041138), (7042, 2865804), (9069, 2225272), (10563, 1910536), (12072, 1671719), (12092, 1668954), (13272, 1520569), (14084, 1432902), (18138, 1112636), (21126, 955268), (21161, 953688), (24184, 834477), (28168, 716451), (36276, 556318), (39737, 507864), (42252, 477634), (42322, 476844), (63483, 317896), (72552, 278159), (79474, 253932), (84504, 238817), (84644, 238422), (119211, 169288), (126966, 158948)]