478980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{887}}^1$

素因数の和:905

約数の個数: 48

約数和(自身を含む): 1491840

約数和(自身を除く): 1012860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 887, 1774, 2661, 3548, 4435, 5322, 7983, 8870, 10644, 13305, 15966, 17740, 23949, 26610, 31932, 39915, 47898, 53220, 79830, 95796, 119745, 159660, 239490, 478980]

約数ペア:

[(1, 478980), (2, 239490), (3, 159660), (4, 119745), (5, 95796), (6, 79830), (9, 53220), (10, 47898), (12, 39915), (15, 31932), (18, 26610), (20, 23949), (27, 17740), (30, 15966), (36, 13305), (45, 10644), (54, 8870), (60, 7983), (90, 5322), (108, 4435), (135, 3548), (180, 2661), (270, 1774), (540, 887)]