155125040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{631}}^1$

素因数の和:1090

約数の個数: 80

約数和(自身を含む): 413783040

約数和(自身を除く): 258658000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 439, 560, 631, 878, 1262, 1756, 2195, 2524, 3073, 3155, 3512, 4390, 4417, 5048, 6146, 6310, 7024, 8780, 8834, 10096, 12292, 12620, 15365, 17560, 17668, 22085, 24584, 25240, 30730, 35120, 35336, 44170, 49168, 50480, 61460, 70672, 88340, 122920, 176680, 245840, 277009, 353360, 554018, 1108036, 1385045, 1939063, 2216072, 2770090, 3878126, 4432144, 5540180, 7756252, 9695315, 11080360, 15512504, 19390630, 22160720, 31025008, 38781260, 77562520, 155125040]

約数ペア:

[(1, 155125040), (2, 77562520), (4, 38781260), (5, 31025008), (7, 22160720), (8, 19390630), (10, 15512504), (14, 11080360), (16, 9695315), (20, 7756252), (28, 5540180), (35, 4432144), (40, 3878126), (56, 2770090), (70, 2216072), (80, 1939063), (112, 1385045), (140, 1108036), (280, 554018), (439, 353360), (560, 277009), (631, 245840), (878, 176680), (1262, 122920), (1756, 88340), (2195, 70672), (2524, 61460), (3073, 50480), (3155, 49168), (3512, 44170), (4390, 35336), (4417, 35120), (5048, 30730), (6146, 25240), (6310, 24584), (7024, 22085), (8780, 17668), (8834, 17560), (10096, 15365), (12292, 12620)]