128454660

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{26431}}^1$

素因数の和:26455

約数の個数: 72

約数和(自身を含む): 404092416

約数和(自身を除く): 275637756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 26431, 52862, 79293, 105724, 132155, 158586, 237879, 264310, 317172, 396465, 475758, 528620, 713637, 792930, 951516, 1189395, 1427274, 1585860, 2140911, 2378790, 2854548, 3568185, 4281822, 4757580, 6422733, 7136370, 8563644, 10704555, 12845466, 14272740, 21409110, 25690932, 32113665, 42818220, 64227330, 128454660]

約数ペア:

[(1, 128454660), (2, 64227330), (3, 42818220), (4, 32113665), (5, 25690932), (6, 21409110), (9, 14272740), (10, 12845466), (12, 10704555), (15, 8563644), (18, 7136370), (20, 6422733), (27, 4757580), (30, 4281822), (36, 3568185), (45, 2854548), (54, 2378790), (60, 2140911), (81, 1585860), (90, 1427274), (108, 1189395), (135, 951516), (162, 792930), (180, 713637), (243, 528620), (270, 475758), (324, 396465), (405, 317172), (486, 264310), (540, 237879), (810, 158586), (972, 132155), (1215, 105724), (1620, 79293), (2430, 52862), (4860, 26431)]