205272240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{907}}^1$

素因数の和:987

約数の個数: 160

約数和(自身を含む): 680956416

約数和(自身を除く): 475684176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 41, 46, 48, 60, 69, 80, 82, 92, 115, 120, 123, 138, 164, 184, 205, 230, 240, 246, 276, 328, 345, 368, 410, 460, 492, 552, 615, 656, 690, 820, 907, 920, 943, 984, 1104, 1230, 1380, 1640, 1814, 1840, 1886, 1968, 2460, 2721, 2760, 2829, 3280, 3628, 3772, 4535, 4715, 4920, 5442, 5520, 5658, 7256, 7544, 9070, 9430, 9840, 10884, 11316, 13605, 14145, 14512, 15088, 18140, 18860, 20861, 21768, 22632, 27210, 28290, 36280, 37187, 37720, 41722, 43536, 45264, 54420, 56580, 62583, 72560, 74374, 75440, 83444, 104305, 108840, 111561, 113160, 125166, 148748, 166888, 185935, 208610, 217680, 223122, 226320, 250332, 297496, 312915, 333776, 371870, 417220, 446244, 500664, 557805, 594992, 625830, 743740, 834440, 855301, 892488, 1001328, 1115610, 1251660, 1487480, 1668880, 1710602, 1784976, 2231220, 2503320, 2565903, 2974960, 3421204, 4276505, 4462440, 5006640, 5131806, 6842408, 8553010, 8924880, 10263612, 12829515, 13684816, 17106020, 20527224, 25659030, 34212040, 41054448, 51318060, 68424080, 102636120, 205272240]

約数ペア:

[(1, 205272240), (2, 102636120), (3, 68424080), (4, 51318060), (5, 41054448), (6, 34212040), (8, 25659030), (10, 20527224), (12, 17106020), (15, 13684816), (16, 12829515), (20, 10263612), (23, 8924880), (24, 8553010), (30, 6842408), (40, 5131806), (41, 5006640), (46, 4462440), (48, 4276505), (60, 3421204), (69, 2974960), (80, 2565903), (82, 2503320), (92, 2231220), (115, 1784976), (120, 1710602), (123, 1668880), (138, 1487480), (164, 1251660), (184, 1115610), (205, 1001328), (230, 892488), (240, 855301), (246, 834440), (276, 743740), (328, 625830), (345, 594992), (368, 557805), (410, 500664), (460, 446244), (492, 417220), (552, 371870), (615, 333776), (656, 312915), (690, 297496), (820, 250332), (907, 226320), (920, 223122), (943, 217680), (984, 208610), (1104, 185935), (1230, 166888), (1380, 148748), (1640, 125166), (1814, 113160), (1840, 111561), (1886, 108840), (1968, 104305), (2460, 83444), (2721, 75440), (2760, 74374), (2829, 72560), (3280, 62583), (3628, 56580), (3772, 54420), (4535, 45264), (4715, 43536), (4920, 41722), (5442, 37720), (5520, 37187), (5658, 36280), (7256, 28290), (7544, 27210), (9070, 22632), (9430, 21768), (9840, 20861), (10884, 18860), (11316, 18140), (13605, 15088), (14145, 14512)]