178169220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1009}}^1$

素因数の和:1139

約数の個数: 120

約数和(自身を含む): 564610200

約数和(自身を除く): 386440980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 109, 135, 162, 180, 218, 270, 324, 327, 405, 436, 540, 545, 654, 810, 981, 1009, 1090, 1308, 1620, 1635, 1962, 2018, 2180, 2943, 3027, 3270, 3924, 4036, 4905, 5045, 5886, 6054, 6540, 8829, 9081, 9810, 10090, 11772, 12108, 14715, 15135, 17658, 18162, 19620, 20180, 27243, 29430, 30270, 35316, 36324, 44145, 45405, 54486, 58860, 60540, 81729, 88290, 90810, 108972, 109981, 136215, 163458, 176580, 181620, 219962, 272430, 326916, 329943, 408645, 439924, 544860, 549905, 659886, 817290, 989829, 1099810, 1319772, 1634580, 1649715, 1979658, 2199620, 2969487, 3299430, 3959316, 4949145, 5938974, 6598860, 8908461, 9898290, 11877948, 14847435, 17816922, 19796580, 29694870, 35633844, 44542305, 59389740, 89084610, 178169220]

約数ペア:

[(1, 178169220), (2, 89084610), (3, 59389740), (4, 44542305), (5, 35633844), (6, 29694870), (9, 19796580), (10, 17816922), (12, 14847435), (15, 11877948), (18, 9898290), (20, 8908461), (27, 6598860), (30, 5938974), (36, 4949145), (45, 3959316), (54, 3299430), (60, 2969487), (81, 2199620), (90, 1979658), (108, 1649715), (109, 1634580), (135, 1319772), (162, 1099810), (180, 989829), (218, 817290), (270, 659886), (324, 549905), (327, 544860), (405, 439924), (436, 408645), (540, 329943), (545, 326916), (654, 272430), (810, 219962), (981, 181620), (1009, 176580), (1090, 163458), (1308, 136215), (1620, 109981), (1635, 108972), (1962, 90810), (2018, 88290), (2180, 81729), (2943, 60540), (3027, 58860), (3270, 54486), (3924, 45405), (4036, 44145), (4905, 36324), (5045, 35316), (5886, 30270), (6054, 29430), (6540, 27243), (8829, 20180), (9081, 19620), (9810, 18162), (10090, 17658), (11772, 15135), (12108, 14715)]