31116720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{409}}^1$

素因数の和:742

約数の個数: 80

約数和(自身を含む): 97002720

約数和(自身を除く): 65886000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 317, 409, 634, 818, 951, 1227, 1268, 1585, 1636, 1902, 2045, 2454, 2536, 3170, 3272, 3804, 4090, 4755, 4908, 5072, 6135, 6340, 6544, 7608, 8180, 9510, 9816, 12270, 12680, 15216, 16360, 19020, 19632, 24540, 25360, 32720, 38040, 49080, 76080, 98160, 129653, 259306, 388959, 518612, 648265, 777918, 1037224, 1296530, 1555836, 1944795, 2074448, 2593060, 3111672, 3889590, 5186120, 6223344, 7779180, 10372240, 15558360, 31116720]

約数ペア:

[(1, 31116720), (2, 15558360), (3, 10372240), (4, 7779180), (5, 6223344), (6, 5186120), (8, 3889590), (10, 3111672), (12, 2593060), (15, 2074448), (16, 1944795), (20, 1555836), (24, 1296530), (30, 1037224), (40, 777918), (48, 648265), (60, 518612), (80, 388959), (120, 259306), (240, 129653), (317, 98160), (409, 76080), (634, 49080), (818, 38040), (951, 32720), (1227, 25360), (1268, 24540), (1585, 19632), (1636, 19020), (1902, 16360), (2045, 15216), (2454, 12680), (2536, 12270), (3170, 9816), (3272, 9510), (3804, 8180), (4090, 7608), (4755, 6544), (4908, 6340), (5072, 6135)]