9005520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:412

約数の個数: 80

約数和(自身を含む): 28212480

約数和(自身を除く): 19206960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 157, 239, 240, 314, 471, 478, 628, 717, 785, 942, 956, 1195, 1256, 1434, 1570, 1884, 1912, 2355, 2390, 2512, 2868, 3140, 3585, 3768, 3824, 4710, 4780, 5736, 6280, 7170, 7536, 9420, 9560, 11472, 12560, 14340, 18840, 19120, 28680, 37523, 37680, 57360, 75046, 112569, 150092, 187615, 225138, 300184, 375230, 450276, 562845, 600368, 750460, 900552, 1125690, 1500920, 1801104, 2251380, 3001840, 4502760, 9005520]

約数ペア:

[(1, 9005520), (2, 4502760), (3, 3001840), (4, 2251380), (5, 1801104), (6, 1500920), (8, 1125690), (10, 900552), (12, 750460), (15, 600368), (16, 562845), (20, 450276), (24, 375230), (30, 300184), (40, 225138), (48, 187615), (60, 150092), (80, 112569), (120, 75046), (157, 57360), (239, 37680), (240, 37523), (314, 28680), (471, 19120), (478, 18840), (628, 14340), (717, 12560), (785, 11472), (942, 9560), (956, 9420), (1195, 7536), (1256, 7170), (1434, 6280), (1570, 5736), (1884, 4780), (1912, 4710), (2355, 3824), (2390, 3768), (2512, 3585), (2868, 3140)]