81719680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:109

約数の個数: 256

約数和(自身を含む): 251164800

約数和(自身を除く): 169445120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 29, 32, 34, 35, 37, 40, 56, 58, 64, 68, 70, 74, 80, 85, 112, 116, 119, 128, 136, 140, 145, 148, 160, 170, 185, 203, 224, 232, 238, 259, 272, 280, 290, 296, 320, 340, 370, 406, 448, 464, 476, 493, 518, 544, 560, 580, 592, 595, 629, 640, 680, 740, 812, 896, 928, 952, 986, 1015, 1036, 1073, 1088, 1120, 1160, 1184, 1190, 1258, 1295, 1360, 1480, 1624, 1856, 1904, 1972, 2030, 2072, 2146, 2176, 2240, 2320, 2368, 2380, 2465, 2516, 2590, 2720, 2960, 3145, 3248, 3451, 3712, 3808, 3944, 4060, 4144, 4292, 4403, 4480, 4640, 4736, 4760, 4930, 5032, 5180, 5365, 5440, 5920, 6290, 6496, 6902, 7511, 7616, 7888, 8120, 8288, 8584, 8806, 9280, 9520, 9860, 10064, 10360, 10730, 10880, 11840, 12580, 12992, 13804, 15022, 15232, 15776, 16240, 16576, 17168, 17255, 17612, 18241, 18560, 19040, 19720, 20128, 20720, 21460, 22015, 23680, 25160, 25984, 27608, 30044, 31552, 32480, 33152, 34336, 34510, 35224, 36482, 37555, 38080, 39440, 40256, 41440, 42920, 44030, 50320, 55216, 60088, 63104, 64960, 68672, 69020, 70448, 72964, 75110, 76160, 78880, 80512, 82880, 85840, 88060, 91205, 100640, 110432, 120176, 127687, 129920, 137344, 138040, 140896, 145928, 150220, 157760, 165760, 171680, 176120, 182410, 201280, 220864, 240352, 255374, 276080, 281792, 291856, 300440, 315520, 343360, 352240, 364820, 402560, 441728, 480704, 510748, 552160, 563584, 583712, 600880, 638435, 686720, 704480, 729640, 961408, 1021496, 1104320, 1167424, 1201760, 1276870, 1408960, 1459280, 2042992, 2208640, 2334848, 2403520, 2553740, 2817920, 2918560, 4085984, 4807040, 5107480, 5837120, 8171968, 10214960, 11674240, 16343936, 20429920, 40859840, 81719680]

約数ペア:

[(1, 81719680), (2, 40859840), (4, 20429920), (5, 16343936), (7, 11674240), (8, 10214960), (10, 8171968), (14, 5837120), (16, 5107480), (17, 4807040), (20, 4085984), (28, 2918560), (29, 2817920), (32, 2553740), (34, 2403520), (35, 2334848), (37, 2208640), (40, 2042992), (56, 1459280), (58, 1408960), (64, 1276870), (68, 1201760), (70, 1167424), (74, 1104320), (80, 1021496), (85, 961408), (112, 729640), (116, 704480), (119, 686720), (128, 638435), (136, 600880), (140, 583712), (145, 563584), (148, 552160), (160, 510748), (170, 480704), (185, 441728), (203, 402560), (224, 364820), (232, 352240), (238, 343360), (259, 315520), (272, 300440), (280, 291856), (290, 281792), (296, 276080), (320, 255374), (340, 240352), (370, 220864), (406, 201280), (448, 182410), (464, 176120), (476, 171680), (493, 165760), (518, 157760), (544, 150220), (560, 145928), (580, 140896), (592, 138040), (595, 137344), (629, 129920), (640, 127687), (680, 120176), (740, 110432), (812, 100640), (896, 91205), (928, 88060), (952, 85840), (986, 82880), (1015, 80512), (1036, 78880), (1073, 76160), (1088, 75110), (1120, 72964), (1160, 70448), (1184, 69020), (1190, 68672), (1258, 64960), (1295, 63104), (1360, 60088), (1480, 55216), (1624, 50320), (1856, 44030), (1904, 42920), (1972, 41440), (2030, 40256), (2072, 39440), (2146, 38080), (2176, 37555), (2240, 36482), (2320, 35224), (2368, 34510), (2380, 34336), (2465, 33152), (2516, 32480), (2590, 31552), (2720, 30044), (2960, 27608), (3145, 25984), (3248, 25160), (3451, 23680), (3712, 22015), (3808, 21460), (3944, 20720), (4060, 20128), (4144, 19720), (4292, 19040), (4403, 18560), (4480, 18241), (4640, 17612), (4736, 17255), (4760, 17168), (4930, 16576), (5032, 16240), (5180, 15776), (5365, 15232), (5440, 15022), (5920, 13804), (6290, 12992), (6496, 12580), (6902, 11840), (7511, 10880), (7616, 10730), (7888, 10360), (8120, 10064), (8288, 9860), (8584, 9520), (8806, 9280)]