15228040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^2$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 35271180

約数和(自身を除く): 20043140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 79, 122, 158, 244, 305, 316, 395, 488, 610, 632, 790, 1220, 1580, 2440, 3160, 4819, 6241, 9638, 12482, 19276, 24095, 24964, 31205, 38552, 48190, 49928, 62410, 96380, 124820, 192760, 249640, 380701, 761402, 1522804, 1903505, 3045608, 3807010, 7614020, 15228040]

約数ペア:

[(1, 15228040), (2, 7614020), (4, 3807010), (5, 3045608), (8, 1903505), (10, 1522804), (20, 761402), (40, 380701), (61, 249640), (79, 192760), (122, 124820), (158, 96380), (244, 62410), (305, 49928), (316, 48190), (395, 38552), (488, 31205), (610, 24964), (632, 24095), (790, 19276), (1220, 12482), (1580, 9638), (2440, 6241), (3160, 4819)]