28176840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:164

約数の個数: 192

約数和(自身を含む): 99066240

約数和(自身を除く): 70889400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 41, 45, 46, 60, 69, 72, 82, 83, 90, 92, 115, 120, 123, 138, 164, 166, 180, 184, 205, 207, 230, 246, 249, 276, 328, 332, 345, 360, 369, 410, 414, 415, 460, 492, 498, 552, 615, 664, 690, 738, 747, 820, 828, 830, 920, 943, 984, 996, 1035, 1230, 1245, 1380, 1476, 1494, 1640, 1656, 1660, 1845, 1886, 1909, 1992, 2070, 2460, 2490, 2760, 2829, 2952, 2988, 3320, 3403, 3690, 3735, 3772, 3818, 4140, 4715, 4920, 4980, 5658, 5727, 5976, 6806, 7380, 7470, 7544, 7636, 8280, 8487, 9430, 9545, 9960, 10209, 11316, 11454, 13612, 14145, 14760, 14940, 15272, 16974, 17015, 17181, 18860, 19090, 20418, 22632, 22908, 27224, 28290, 28635, 29880, 30627, 33948, 34030, 34362, 37720, 38180, 40836, 42435, 45816, 51045, 56580, 57270, 61254, 67896, 68060, 68724, 76360, 78269, 81672, 84870, 85905, 102090, 113160, 114540, 122508, 136120, 137448, 153135, 156538, 169740, 171810, 204180, 229080, 234807, 245016, 306270, 313076, 339480, 343620, 391345, 408360, 469614, 612540, 626152, 687240, 704421, 782690, 939228, 1174035, 1225080, 1408842, 1565380, 1878456, 2348070, 2817684, 3130760, 3522105, 4696140, 5635368, 7044210, 9392280, 14088420, 28176840]

約数ペア:

[(1, 28176840), (2, 14088420), (3, 9392280), (4, 7044210), (5, 5635368), (6, 4696140), (8, 3522105), (9, 3130760), (10, 2817684), (12, 2348070), (15, 1878456), (18, 1565380), (20, 1408842), (23, 1225080), (24, 1174035), (30, 939228), (36, 782690), (40, 704421), (41, 687240), (45, 626152), (46, 612540), (60, 469614), (69, 408360), (72, 391345), (82, 343620), (83, 339480), (90, 313076), (92, 306270), (115, 245016), (120, 234807), (123, 229080), (138, 204180), (164, 171810), (166, 169740), (180, 156538), (184, 153135), (205, 137448), (207, 136120), (230, 122508), (246, 114540), (249, 113160), (276, 102090), (328, 85905), (332, 84870), (345, 81672), (360, 78269), (369, 76360), (410, 68724), (414, 68060), (415, 67896), (460, 61254), (492, 57270), (498, 56580), (552, 51045), (615, 45816), (664, 42435), (690, 40836), (738, 38180), (747, 37720), (820, 34362), (828, 34030), (830, 33948), (920, 30627), (943, 29880), (984, 28635), (996, 28290), (1035, 27224), (1230, 22908), (1245, 22632), (1380, 20418), (1476, 19090), (1494, 18860), (1640, 17181), (1656, 17015), (1660, 16974), (1845, 15272), (1886, 14940), (1909, 14760), (1992, 14145), (2070, 13612), (2460, 11454), (2490, 11316), (2760, 10209), (2829, 9960), (2952, 9545), (2988, 9430), (3320, 8487), (3403, 8280), (3690, 7636), (3735, 7544), (3772, 7470), (3818, 7380), (4140, 6806), (4715, 5976), (4920, 5727), (4980, 5658)]