28876440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{727}}^1$

素因数の和:1072

約数の個数: 64

約数和(自身を含む): 87010560

約数和(自身を除く): 58134120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 331, 662, 727, 993, 1324, 1454, 1655, 1986, 2181, 2648, 2908, 3310, 3635, 3972, 4362, 4965, 5816, 6620, 7270, 7944, 8724, 9930, 10905, 13240, 14540, 17448, 19860, 21810, 29080, 39720, 43620, 87240, 240637, 481274, 721911, 962548, 1203185, 1443822, 1925096, 2406370, 2887644, 3609555, 4812740, 5775288, 7219110, 9625480, 14438220, 28876440]

約数ペア:

[(1, 28876440), (2, 14438220), (3, 9625480), (4, 7219110), (5, 5775288), (6, 4812740), (8, 3609555), (10, 2887644), (12, 2406370), (15, 1925096), (20, 1443822), (24, 1203185), (30, 962548), (40, 721911), (60, 481274), (120, 240637), (331, 87240), (662, 43620), (727, 39720), (993, 29080), (1324, 21810), (1454, 19860), (1655, 17448), (1986, 14540), (2181, 13240), (2648, 10905), (2908, 9930), (3310, 8724), (3635, 7944), (3972, 7270), (4362, 6620), (4965, 5816)]