39581080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 113218560

約数和(自身を除く): 73637480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 71, 77, 88, 110, 140, 142, 154, 181, 220, 280, 284, 308, 355, 362, 385, 440, 497, 568, 616, 710, 724, 770, 781, 905, 994, 1267, 1420, 1448, 1540, 1562, 1810, 1988, 1991, 2485, 2534, 2840, 3080, 3124, 3620, 3905, 3976, 3982, 4970, 5068, 5467, 6248, 6335, 7240, 7810, 7964, 9940, 9955, 10136, 10934, 12670, 12851, 13937, 15620, 15928, 19880, 19910, 21868, 25340, 25702, 27335, 27874, 31240, 39820, 43736, 50680, 51404, 54670, 55748, 64255, 69685, 79640, 89957, 102808, 109340, 111496, 128510, 139370, 141361, 179914, 218680, 257020, 278740, 282722, 359828, 449785, 514040, 557480, 565444, 706805, 719656, 899570, 989527, 1130888, 1413610, 1799140, 1979054, 2827220, 3598280, 3958108, 4947635, 5654440, 7916216, 9895270, 19790540, 39581080]

約数ペア:

[(1, 39581080), (2, 19790540), (4, 9895270), (5, 7916216), (7, 5654440), (8, 4947635), (10, 3958108), (11, 3598280), (14, 2827220), (20, 1979054), (22, 1799140), (28, 1413610), (35, 1130888), (40, 989527), (44, 899570), (55, 719656), (56, 706805), (70, 565444), (71, 557480), (77, 514040), (88, 449785), (110, 359828), (140, 282722), (142, 278740), (154, 257020), (181, 218680), (220, 179914), (280, 141361), (284, 139370), (308, 128510), (355, 111496), (362, 109340), (385, 102808), (440, 89957), (497, 79640), (568, 69685), (616, 64255), (710, 55748), (724, 54670), (770, 51404), (781, 50680), (905, 43736), (994, 39820), (1267, 31240), (1420, 27874), (1448, 27335), (1540, 25702), (1562, 25340), (1810, 21868), (1988, 19910), (1991, 19880), (2485, 15928), (2534, 15620), (2840, 13937), (3080, 12851), (3124, 12670), (3620, 10934), (3905, 10136), (3976, 9955), (3982, 9940), (4970, 7964), (5068, 7810), (5467, 7240), (6248, 6335)]