11215720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 26853120

約数和(自身を除く): 15637400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 73, 92, 115, 146, 167, 184, 230, 292, 334, 365, 460, 584, 668, 730, 835, 920, 1336, 1460, 1670, 1679, 2920, 3340, 3358, 3841, 6680, 6716, 7682, 8395, 12191, 13432, 15364, 16790, 19205, 24382, 30728, 33580, 38410, 48764, 60955, 67160, 76820, 97528, 121910, 153640, 243820, 280393, 487640, 560786, 1121572, 1401965, 2243144, 2803930, 5607860, 11215720]

約数ペア:

[(1, 11215720), (2, 5607860), (4, 2803930), (5, 2243144), (8, 1401965), (10, 1121572), (20, 560786), (23, 487640), (40, 280393), (46, 243820), (73, 153640), (92, 121910), (115, 97528), (146, 76820), (167, 67160), (184, 60955), (230, 48764), (292, 38410), (334, 33580), (365, 30728), (460, 24382), (584, 19205), (668, 16790), (730, 15364), (835, 13432), (920, 12191), (1336, 8395), (1460, 7682), (1670, 6716), (1679, 6680), (2920, 3841), (3340, 3358)]