128212080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{719}}^1\times {\mathrm{743}}^1$

素因数の和:1478

約数の個数: 80

約数和(自身を含む): 398545920

約数和(自身を除く): 270333840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 719, 743, 1438, 1486, 2157, 2229, 2876, 2972, 3595, 3715, 4314, 4458, 5752, 5944, 7190, 7430, 8628, 8916, 10785, 11145, 11504, 11888, 14380, 14860, 17256, 17832, 21570, 22290, 28760, 29720, 34512, 35664, 43140, 44580, 57520, 59440, 86280, 89160, 172560, 178320, 534217, 1068434, 1602651, 2136868, 2671085, 3205302, 4273736, 5342170, 6410604, 8013255, 8547472, 10684340, 12821208, 16026510, 21368680, 25642416, 32053020, 42737360, 64106040, 128212080]

約数ペア:

[(1, 128212080), (2, 64106040), (3, 42737360), (4, 32053020), (5, 25642416), (6, 21368680), (8, 16026510), (10, 12821208), (12, 10684340), (15, 8547472), (16, 8013255), (20, 6410604), (24, 5342170), (30, 4273736), (40, 3205302), (48, 2671085), (60, 2136868), (80, 1602651), (120, 1068434), (240, 534217), (719, 178320), (743, 172560), (1438, 89160), (1486, 86280), (2157, 59440), (2229, 57520), (2876, 44580), (2972, 43140), (3595, 35664), (3715, 34512), (4314, 29720), (4458, 28760), (5752, 22290), (5944, 21570), (7190, 17832), (7430, 17256), (8628, 14860), (8916, 14380), (10785, 11888), (11145, 11504)]