81212430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3929}}^1$

素因数の和:4005

約数の個数: 64

約数和(自身を含む): 213917760

約数和(自身を除く): 132705330

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 53, 65, 78, 106, 130, 159, 195, 265, 318, 390, 530, 689, 795, 1378, 1590, 2067, 3445, 3929, 4134, 6890, 7858, 10335, 11787, 19645, 20670, 23574, 39290, 51077, 58935, 102154, 117870, 153231, 208237, 255385, 306462, 416474, 510770, 624711, 766155, 1041185, 1249422, 1532310, 2082370, 2707081, 3123555, 5414162, 6247110, 8121243, 13535405, 16242486, 27070810, 40606215, 81212430]

約数ペア:

[(1, 81212430), (2, 40606215), (3, 27070810), (5, 16242486), (6, 13535405), (10, 8121243), (13, 6247110), (15, 5414162), (26, 3123555), (30, 2707081), (39, 2082370), (53, 1532310), (65, 1249422), (78, 1041185), (106, 766155), (130, 624711), (159, 510770), (195, 416474), (265, 306462), (318, 255385), (390, 208237), (530, 153231), (689, 117870), (795, 102154), (1378, 58935), (1590, 51077), (2067, 39290), (3445, 23574), (3929, 20670), (4134, 19645), (6890, 11787), (7858, 10335)]