168013240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{144839}}^1$

素因数の和:144879

約数の個数: 32

約数和(自身を含む): 391068000

約数和(自身を除く): 223054760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 144839, 289678, 579356, 724195, 1158712, 1448390, 2896780, 4200331, 5793560, 8400662, 16801324, 21001655, 33602648, 42003310, 84006620, 168013240]

約数ペア:

[(1, 168013240), (2, 84006620), (4, 42003310), (5, 33602648), (8, 21001655), (10, 16801324), (20, 8400662), (29, 5793560), (40, 4200331), (58, 2896780), (116, 1448390), (145, 1158712), (232, 724195), (290, 579356), (580, 289678), (1160, 144839)]