1621853460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{20809}}^1$

素因数の和:21257

約数の個数: 72

約数和(自身を含む): 4931220840

約数和(自身を除く): 3309367380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 433, 866, 1299, 1732, 2165, 2598, 3897, 4330, 5196, 6495, 7794, 8660, 12990, 15588, 19485, 20809, 25980, 38970, 41618, 62427, 77940, 83236, 104045, 124854, 187281, 208090, 249708, 312135, 374562, 416180, 624270, 749124, 936405, 1248540, 1872810, 3745620, 9010297, 18020594, 27030891, 36041188, 45051485, 54061782, 81092673, 90102970, 108123564, 135154455, 162185346, 180205940, 270308910, 324370692, 405463365, 540617820, 810926730, 1621853460]

約数ペア:

[(1, 1621853460), (2, 810926730), (3, 540617820), (4, 405463365), (5, 324370692), (6, 270308910), (9, 180205940), (10, 162185346), (12, 135154455), (15, 108123564), (18, 90102970), (20, 81092673), (30, 54061782), (36, 45051485), (45, 36041188), (60, 27030891), (90, 18020594), (180, 9010297), (433, 3745620), (866, 1872810), (1299, 1248540), (1732, 936405), (2165, 749124), (2598, 624270), (3897, 416180), (4330, 374562), (5196, 312135), (6495, 249708), (7794, 208090), (8660, 187281), (12990, 124854), (15588, 104045), (19485, 83236), (20809, 77940), (25980, 62427), (38970, 41618)]