131953760

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1559}}^1$

素因数の和:1620

約数の個数: 72

約数和(自身を含む): 326093040

約数和(自身を除く): 194139280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 529, 736, 920, 1058, 1559, 1840, 2116, 2645, 3118, 3680, 4232, 5290, 6236, 7795, 8464, 10580, 12472, 15590, 16928, 21160, 24944, 31180, 35857, 42320, 49888, 62360, 71714, 84640, 124720, 143428, 179285, 249440, 286856, 358570, 573712, 717140, 824711, 1147424, 1434280, 1649422, 2868560, 3298844, 4123555, 5737120, 6597688, 8247110, 13195376, 16494220, 26390752, 32988440, 65976880, 131953760]

約数ペア:

[(1, 131953760), (2, 65976880), (4, 32988440), (5, 26390752), (8, 16494220), (10, 13195376), (16, 8247110), (20, 6597688), (23, 5737120), (32, 4123555), (40, 3298844), (46, 2868560), (80, 1649422), (92, 1434280), (115, 1147424), (160, 824711), (184, 717140), (230, 573712), (368, 358570), (460, 286856), (529, 249440), (736, 179285), (920, 143428), (1058, 124720), (1559, 84640), (1840, 71714), (2116, 62360), (2645, 49888), (3118, 42320), (3680, 35857), (4232, 31180), (5290, 24944), (6236, 21160), (7795, 16928), (8464, 15590), (10580, 12472)]