19703160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:485

約数の個数: 96

約数和(自身を含む): 64584000

約数和(自身を除く): 44880840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 229, 239, 360, 458, 478, 687, 717, 916, 956, 1145, 1195, 1374, 1434, 1832, 1912, 2061, 2151, 2290, 2390, 2748, 2868, 3435, 3585, 4122, 4302, 4580, 4780, 5496, 5736, 6870, 7170, 8244, 8604, 9160, 9560, 10305, 10755, 13740, 14340, 16488, 17208, 20610, 21510, 27480, 28680, 41220, 43020, 54731, 82440, 86040, 109462, 164193, 218924, 273655, 328386, 437848, 492579, 547310, 656772, 820965, 985158, 1094620, 1313544, 1641930, 1970316, 2189240, 2462895, 3283860, 3940632, 4925790, 6567720, 9851580, 19703160]

約数ペア:

[(1, 19703160), (2, 9851580), (3, 6567720), (4, 4925790), (5, 3940632), (6, 3283860), (8, 2462895), (9, 2189240), (10, 1970316), (12, 1641930), (15, 1313544), (18, 1094620), (20, 985158), (24, 820965), (30, 656772), (36, 547310), (40, 492579), (45, 437848), (60, 328386), (72, 273655), (90, 218924), (120, 164193), (180, 109462), (229, 86040), (239, 82440), (360, 54731), (458, 43020), (478, 41220), (687, 28680), (717, 27480), (916, 21510), (956, 20610), (1145, 17208), (1195, 16488), (1374, 14340), (1434, 13740), (1832, 10755), (1912, 10305), (2061, 9560), (2151, 9160), (2290, 8604), (2390, 8244), (2748, 7170), (2868, 6870), (3435, 5736), (3585, 5496), (4122, 4780), (4302, 4580)]