79520040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{220889}}^1$

素因数の和:220906

約数の個数: 48

約数和(自身を含む): 258441300

約数和(自身を除く): 178921260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 220889, 441778, 662667, 883556, 1104445, 1325334, 1767112, 1988001, 2208890, 2650668, 3313335, 3976002, 4417780, 5301336, 6626670, 7952004, 8835560, 9940005, 13253340, 15904008, 19880010, 26506680, 39760020, 79520040]

約数ペア:

[(1, 79520040), (2, 39760020), (3, 26506680), (4, 19880010), (5, 15904008), (6, 13253340), (8, 9940005), (9, 8835560), (10, 7952004), (12, 6626670), (15, 5301336), (18, 4417780), (20, 3976002), (24, 3313335), (30, 2650668), (36, 2208890), (40, 1988001), (45, 1767112), (60, 1325334), (72, 1104445), (90, 883556), (120, 662667), (180, 441778), (360, 220889)]