206506260

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{42491}}^1$

素因数の和:42515

約数の個数: 72

約数和(自身を含む): 649617696

約数和(自身を除く): 443111436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 42491, 84982, 127473, 169964, 212455, 254946, 382419, 424910, 509892, 637365, 764838, 849820, 1147257, 1274730, 1529676, 1912095, 2294514, 2549460, 3441771, 3824190, 4589028, 5736285, 6883542, 7648380, 10325313, 11472570, 13767084, 17208855, 20650626, 22945140, 34417710, 41301252, 51626565, 68835420, 103253130, 206506260]

約数ペア:

[(1, 206506260), (2, 103253130), (3, 68835420), (4, 51626565), (5, 41301252), (6, 34417710), (9, 22945140), (10, 20650626), (12, 17208855), (15, 13767084), (18, 11472570), (20, 10325313), (27, 7648380), (30, 6883542), (36, 5736285), (45, 4589028), (54, 3824190), (60, 3441771), (81, 2549460), (90, 2294514), (108, 1912095), (135, 1529676), (162, 1274730), (180, 1147257), (243, 849820), (270, 764838), (324, 637365), (405, 509892), (486, 424910), (540, 382419), (810, 254946), (972, 212455), (1215, 169964), (1620, 127473), (2430, 84982), (4860, 42491)]