1855386180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{81163}}^1$

素因数の和:81305

約数の個数: 72

約数和(自身を含む): 5672389632

約数和(自身を除く): 3817003452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 1143, 1270, 1524, 1905, 2286, 2540, 3810, 4572, 5715, 7620, 11430, 22860, 81163, 162326, 243489, 324652, 405815, 486978, 730467, 811630, 973956, 1217445, 1460934, 1623260, 2434890, 2921868, 3652335, 4869780, 7304670, 10307701, 14609340, 20615402, 30923103, 41230804, 51538505, 61846206, 92769309, 103077010, 123692412, 154615515, 185538618, 206154020, 309231030, 371077236, 463846545, 618462060, 927693090, 1855386180]

約数ペア:

[(1, 1855386180), (2, 927693090), (3, 618462060), (4, 463846545), (5, 371077236), (6, 309231030), (9, 206154020), (10, 185538618), (12, 154615515), (15, 123692412), (18, 103077010), (20, 92769309), (30, 61846206), (36, 51538505), (45, 41230804), (60, 30923103), (90, 20615402), (127, 14609340), (180, 10307701), (254, 7304670), (381, 4869780), (508, 3652335), (635, 2921868), (762, 2434890), (1143, 1623260), (1270, 1460934), (1524, 1217445), (1905, 973956), (2286, 811630), (2540, 730467), (3810, 486978), (4572, 405815), (5715, 324652), (7620, 243489), (11430, 162326), (22860, 81163)]