120705520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{419}}^1$

素因数の和:722

約数の個数: 80

約数和(自身を含む): 304043040

約数和(自身を除く): 183337520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 277, 419, 520, 554, 838, 1040, 1108, 1385, 1676, 2095, 2216, 2770, 3352, 3601, 4190, 4432, 5447, 5540, 6704, 7202, 8380, 10894, 11080, 14404, 16760, 18005, 21788, 22160, 27235, 28808, 33520, 36010, 43576, 54470, 57616, 72020, 87152, 108940, 116063, 144040, 217880, 232126, 288080, 435760, 464252, 580315, 928504, 1160630, 1508819, 1857008, 2321260, 3017638, 4642520, 6035276, 7544095, 9285040, 12070552, 15088190, 24141104, 30176380, 60352760, 120705520]

約数ペア:

[(1, 120705520), (2, 60352760), (4, 30176380), (5, 24141104), (8, 15088190), (10, 12070552), (13, 9285040), (16, 7544095), (20, 6035276), (26, 4642520), (40, 3017638), (52, 2321260), (65, 1857008), (80, 1508819), (104, 1160630), (130, 928504), (208, 580315), (260, 464252), (277, 435760), (419, 288080), (520, 232126), (554, 217880), (838, 144040), (1040, 116063), (1108, 108940), (1385, 87152), (1676, 72020), (2095, 57616), (2216, 54470), (2770, 43576), (3352, 36010), (3601, 33520), (4190, 28808), (4432, 27235), (5447, 22160), (5540, 21788), (6704, 18005), (7202, 16760), (8380, 14404), (10894, 11080)]