120697780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1559}}^1$

素因数の和:1661

約数の個数: 72

約数和(自身を含む): 298771200

約数和(自身を除く): 178073420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 316, 395, 490, 553, 790, 980, 1106, 1559, 1580, 2212, 2765, 3118, 3871, 5530, 6236, 7742, 7795, 10913, 11060, 15484, 15590, 19355, 21826, 31180, 38710, 43652, 54565, 76391, 77420, 109130, 123161, 152782, 218260, 246322, 305564, 381955, 492644, 615805, 763910, 862127, 1231610, 1527820, 1724254, 2463220, 3448508, 4310635, 6034889, 8621270, 12069778, 17242540, 24139556, 30174445, 60348890, 120697780]

約数ペア:

[(1, 120697780), (2, 60348890), (4, 30174445), (5, 24139556), (7, 17242540), (10, 12069778), (14, 8621270), (20, 6034889), (28, 4310635), (35, 3448508), (49, 2463220), (70, 1724254), (79, 1527820), (98, 1231610), (140, 862127), (158, 763910), (196, 615805), (245, 492644), (316, 381955), (395, 305564), (490, 246322), (553, 218260), (790, 152782), (980, 123161), (1106, 109130), (1559, 77420), (1580, 76391), (2212, 54565), (2765, 43652), (3118, 38710), (3871, 31180), (5530, 21826), (6236, 19355), (7742, 15590), (7795, 15484), (10913, 11060)]