20162520

素因数分解:

$2^3\times 3^4\times 5^1\times 7^2\times {\mathrm{127}}^1$

素因数の和:164

約数の個数: 240

約数和(自身を含む): 79453440

約数和(自身を除く): 59290920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 127, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 245, 252, 254, 270, 280, 294, 315, 324, 360, 378, 381, 392, 405, 420, 441, 490, 504, 508, 540, 567, 588, 630, 635, 648, 735, 756, 762, 810, 840, 882, 889, 945, 980, 1016, 1080, 1134, 1143, 1176, 1260, 1270, 1323, 1470, 1512, 1524, 1620, 1764, 1778, 1890, 1905, 1960, 2205, 2268, 2286, 2520, 2540, 2646, 2667, 2835, 2940, 3048, 3240, 3429, 3528, 3556, 3780, 3810, 3969, 4410, 4445, 4536, 4572, 5080, 5292, 5334, 5670, 5715, 5880, 6223, 6615, 6858, 7112, 7560, 7620, 7938, 8001, 8820, 8890, 9144, 10287, 10584, 10668, 11340, 11430, 12446, 13230, 13335, 13716, 15240, 15876, 16002, 17145, 17640, 17780, 18669, 19845, 20574, 21336, 22680, 22860, 24003, 24892, 26460, 26670, 27432, 31115, 31752, 32004, 34290, 35560, 37338, 39690, 40005, 41148, 45720, 48006, 49784, 51435, 52920, 53340, 56007, 62230, 64008, 68580, 72009, 74676, 79380, 80010, 82296, 93345, 96012, 102870, 106680, 112014, 120015, 124460, 137160, 144018, 149352, 158760, 160020, 168021, 186690, 192024, 205740, 224028, 240030, 248920, 280035, 288036, 320040, 336042, 360045, 373380, 411480, 448056, 480060, 504063, 560070, 576072, 672084, 720090, 746760, 840105, 960120, 1008126, 1120140, 1344168, 1440180, 1680210, 2016252, 2240280, 2520315, 2880360, 3360420, 4032504, 5040630, 6720840, 10081260, 20162520]

約数ペア:

[(1, 20162520), (2, 10081260), (3, 6720840), (4, 5040630), (5, 4032504), (6, 3360420), (7, 2880360), (8, 2520315), (9, 2240280), (10, 2016252), (12, 1680210), (14, 1440180), (15, 1344168), (18, 1120140), (20, 1008126), (21, 960120), (24, 840105), (27, 746760), (28, 720090), (30, 672084), (35, 576072), (36, 560070), (40, 504063), (42, 480060), (45, 448056), (49, 411480), (54, 373380), (56, 360045), (60, 336042), (63, 320040), (70, 288036), (72, 280035), (81, 248920), (84, 240030), (90, 224028), (98, 205740), (105, 192024), (108, 186690), (120, 168021), (126, 160020), (127, 158760), (135, 149352), (140, 144018), (147, 137160), (162, 124460), (168, 120015), (180, 112014), (189, 106680), (196, 102870), (210, 96012), (216, 93345), (245, 82296), (252, 80010), (254, 79380), (270, 74676), (280, 72009), (294, 68580), (315, 64008), (324, 62230), (360, 56007), (378, 53340), (381, 52920), (392, 51435), (405, 49784), (420, 48006), (441, 45720), (490, 41148), (504, 40005), (508, 39690), (540, 37338), (567, 35560), (588, 34290), (630, 32004), (635, 31752), (648, 31115), (735, 27432), (756, 26670), (762, 26460), (810, 24892), (840, 24003), (882, 22860), (889, 22680), (945, 21336), (980, 20574), (1016, 19845), (1080, 18669), (1134, 17780), (1143, 17640), (1176, 17145), (1260, 16002), (1270, 15876), (1323, 15240), (1470, 13716), (1512, 13335), (1524, 13230), (1620, 12446), (1764, 11430), (1778, 11340), (1890, 10668), (1905, 10584), (1960, 10287), (2205, 9144), (2268, 8890), (2286, 8820), (2520, 8001), (2540, 7938), (2646, 7620), (2667, 7560), (2835, 7112), (2940, 6858), (3048, 6615), (3240, 6223), (3429, 5880), (3528, 5715), (3556, 5670), (3780, 5334), (3810, 5292), (3969, 5080), (4410, 4572), (4445, 4536)]