68117840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17377}}^1$

素因数の和:17404

約数の個数: 60

約数和(自身を含む): 184241556

約数和(自身を除く): 116123716

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 17377, 34754, 69508, 86885, 121639, 139016, 173770, 243278, 278032, 347540, 486556, 608195, 695080, 851473, 973112, 1216390, 1390160, 1702946, 1946224, 2432780, 3405892, 4257365, 4865560, 6811784, 8514730, 9731120, 13623568, 17029460, 34058920, 68117840]

約数ペア:

[(1, 68117840), (2, 34058920), (4, 17029460), (5, 13623568), (7, 9731120), (8, 8514730), (10, 6811784), (14, 4865560), (16, 4257365), (20, 3405892), (28, 2432780), (35, 1946224), (40, 1702946), (49, 1390160), (56, 1216390), (70, 973112), (80, 851473), (98, 695080), (112, 608195), (140, 486556), (196, 347540), (245, 278032), (280, 243278), (392, 173770), (490, 139016), (560, 121639), (784, 86885), (980, 69508), (1960, 34754), (3920, 17377)]