205129920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1361}}^1$

素因数の和:1538

約数の個数: 112

約数和(自身を含む): 655917408

約数和(自身を除く): 450787488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 157, 160, 192, 240, 314, 320, 471, 480, 628, 785, 942, 960, 1256, 1361, 1570, 1884, 2355, 2512, 2722, 3140, 3768, 4083, 4710, 5024, 5444, 6280, 6805, 7536, 8166, 9420, 10048, 10888, 12560, 13610, 15072, 16332, 18840, 20415, 21776, 25120, 27220, 30144, 32664, 37680, 40830, 43552, 50240, 54440, 65328, 75360, 81660, 87104, 108880, 130656, 150720, 163320, 213677, 217760, 261312, 326640, 427354, 435520, 641031, 653280, 854708, 1068385, 1282062, 1306560, 1709416, 2136770, 2564124, 3205155, 3418832, 4273540, 5128248, 6410310, 6837664, 8547080, 10256496, 12820620, 13675328, 17094160, 20512992, 25641240, 34188320, 41025984, 51282480, 68376640, 102564960, 205129920]

約数ペア:

[(1, 205129920), (2, 102564960), (3, 68376640), (4, 51282480), (5, 41025984), (6, 34188320), (8, 25641240), (10, 20512992), (12, 17094160), (15, 13675328), (16, 12820620), (20, 10256496), (24, 8547080), (30, 6837664), (32, 6410310), (40, 5128248), (48, 4273540), (60, 3418832), (64, 3205155), (80, 2564124), (96, 2136770), (120, 1709416), (157, 1306560), (160, 1282062), (192, 1068385), (240, 854708), (314, 653280), (320, 641031), (471, 435520), (480, 427354), (628, 326640), (785, 261312), (942, 217760), (960, 213677), (1256, 163320), (1361, 150720), (1570, 130656), (1884, 108880), (2355, 87104), (2512, 81660), (2722, 75360), (3140, 65328), (3768, 54440), (4083, 50240), (4710, 43552), (5024, 40830), (5444, 37680), (6280, 32664), (6805, 30144), (7536, 27220), (8166, 25120), (9420, 21776), (10048, 20415), (10888, 18840), (12560, 16332), (13610, 15072)]