640630944

素因数分解:

$2^5\times 3^4\times {\mathrm{439}}^1\times {\mathrm{563}}^1$

素因数の和:1024

約数の個数: 120

約数和(自身を含む): 1891723680

約数和(自身を除く): 1251092736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 288, 324, 432, 439, 563, 648, 864, 878, 1126, 1296, 1317, 1689, 1756, 2252, 2592, 2634, 3378, 3512, 3951, 4504, 5067, 5268, 6756, 7024, 7902, 9008, 10134, 10536, 11853, 13512, 14048, 15201, 15804, 18016, 20268, 21072, 23706, 27024, 30402, 31608, 35559, 40536, 42144, 45603, 47412, 54048, 60804, 63216, 71118, 81072, 91206, 94824, 121608, 126432, 142236, 162144, 182412, 189648, 243216, 247157, 284472, 364824, 379296, 486432, 494314, 568944, 729648, 741471, 988628, 1137888, 1459296, 1482942, 1977256, 2224413, 2965884, 3954512, 4448826, 5931768, 6673239, 7909024, 8897652, 11863536, 13346478, 17795304, 20019717, 23727072, 26692956, 35590608, 40039434, 53385912, 71181216, 80078868, 106771824, 160157736, 213543648, 320315472, 640630944]

約数ペア:

[(1, 640630944), (2, 320315472), (3, 213543648), (4, 160157736), (6, 106771824), (8, 80078868), (9, 71181216), (12, 53385912), (16, 40039434), (18, 35590608), (24, 26692956), (27, 23727072), (32, 20019717), (36, 17795304), (48, 13346478), (54, 11863536), (72, 8897652), (81, 7909024), (96, 6673239), (108, 5931768), (144, 4448826), (162, 3954512), (216, 2965884), (288, 2224413), (324, 1977256), (432, 1482942), (439, 1459296), (563, 1137888), (648, 988628), (864, 741471), (878, 729648), (1126, 568944), (1296, 494314), (1317, 486432), (1689, 379296), (1756, 364824), (2252, 284472), (2592, 247157), (2634, 243216), (3378, 189648), (3512, 182412), (3951, 162144), (4504, 142236), (5067, 126432), (5268, 121608), (6756, 94824), (7024, 91206), (7902, 81072), (9008, 71118), (10134, 63216), (10536, 60804), (11853, 54048), (13512, 47412), (14048, 45603), (15201, 42144), (15804, 40536), (18016, 35559), (20268, 31608), (21072, 30402), (23706, 27024)]