28811760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{120049}}^1$

素因数の和:120065

約数の個数: 40

約数和(自身を含む): 89317200

約数和(自身を除く): 60505440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 120049, 240098, 360147, 480196, 600245, 720294, 960392, 1200490, 1440588, 1800735, 1920784, 2400980, 2881176, 3601470, 4801960, 5762352, 7202940, 9603920, 14405880, 28811760]

約数ペア:

[(1, 28811760), (2, 14405880), (3, 9603920), (4, 7202940), (5, 5762352), (6, 4801960), (8, 3601470), (10, 2881176), (12, 2400980), (15, 1920784), (16, 1800735), (20, 1440588), (24, 1200490), (30, 960392), (40, 720294), (48, 600245), (60, 480196), (80, 360147), (120, 240098), (240, 120049)]