71166780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20809}}^1$

素因数の和:20843

約数の個数: 72

約数和(自身を含む): 227245200

約数和(自身を除く): 156078420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 20809, 41618, 62427, 83236, 104045, 124854, 187281, 208090, 249708, 312135, 374562, 395371, 416180, 624270, 749124, 790742, 936405, 1186113, 1248540, 1581484, 1872810, 1976855, 2372226, 3558339, 3745620, 3953710, 4744452, 5930565, 7116678, 7907420, 11861130, 14233356, 17791695, 23722260, 35583390, 71166780]

約数ペア:

[(1, 71166780), (2, 35583390), (3, 23722260), (4, 17791695), (5, 14233356), (6, 11861130), (9, 7907420), (10, 7116678), (12, 5930565), (15, 4744452), (18, 3953710), (19, 3745620), (20, 3558339), (30, 2372226), (36, 1976855), (38, 1872810), (45, 1581484), (57, 1248540), (60, 1186113), (76, 936405), (90, 790742), (95, 749124), (114, 624270), (171, 416180), (180, 395371), (190, 374562), (228, 312135), (285, 249708), (342, 208090), (380, 187281), (570, 124854), (684, 104045), (855, 83236), (1140, 62427), (1710, 41618), (3420, 20809)]