81387480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{678229}}^1$

素因数の和:678243

約数の個数: 32

約数和(自身を含む): 244162800

約数和(自身を除く): 162775320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 678229, 1356458, 2034687, 2712916, 3391145, 4069374, 5425832, 6782290, 8138748, 10173435, 13564580, 16277496, 20346870, 27129160, 40693740, 81387480]

約数ペア:

[(1, 81387480), (2, 40693740), (3, 27129160), (4, 20346870), (5, 16277496), (6, 13564580), (8, 10173435), (10, 8138748), (12, 6782290), (15, 5425832), (20, 4069374), (24, 3391145), (30, 2712916), (40, 2034687), (60, 1356458), (120, 678229)]