87488640

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:172

約数の個数: 256

約数和(自身を含む): 318729600

約数和(自身を除く): 231240960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 61, 64, 72, 80, 83, 90, 96, 108, 120, 122, 128, 135, 144, 160, 166, 180, 183, 192, 216, 240, 244, 249, 270, 288, 305, 320, 332, 360, 366, 384, 415, 432, 480, 488, 498, 540, 549, 576, 610, 640, 664, 720, 732, 747, 830, 864, 915, 960, 976, 996, 1080, 1098, 1152, 1220, 1245, 1328, 1440, 1464, 1494, 1647, 1660, 1728, 1830, 1920, 1952, 1992, 2160, 2196, 2241, 2440, 2490, 2656, 2745, 2880, 2928, 2988, 3294, 3320, 3456, 3660, 3735, 3904, 3984, 4320, 4392, 4482, 4880, 4980, 5063, 5312, 5490, 5760, 5856, 5976, 6588, 6640, 7320, 7470, 7808, 7968, 8235, 8640, 8784, 8964, 9760, 9960, 10126, 10624, 10980, 11205, 11712, 11952, 13176, 13280, 14640, 14940, 15189, 15936, 16470, 17280, 17568, 17928, 19520, 19920, 20252, 21960, 22410, 23424, 23904, 25315, 26352, 26560, 29280, 29880, 30378, 31872, 32940, 35136, 35856, 39040, 39840, 40504, 43920, 44820, 45567, 47808, 50630, 52704, 53120, 58560, 59760, 60756, 65880, 70272, 71712, 75945, 79680, 81008, 87840, 89640, 91134, 95616, 101260, 105408, 117120, 119520, 121512, 131760, 136701, 143424, 151890, 159360, 162016, 175680, 179280, 182268, 202520, 210816, 227835, 239040, 243024, 263520, 273402, 286848, 303780, 324032, 351360, 358560, 364536, 405040, 455670, 478080, 486048, 527040, 546804, 607560, 648064, 683505, 717120, 729072, 810080, 911340, 972096, 1054080, 1093608, 1215120, 1367010, 1434240, 1458144, 1620160, 1822680, 1944192, 2187216, 2430240, 2734020, 2916288, 3240320, 3645360, 4374432, 4860480, 5468040, 5832576, 7290720, 8748864, 9720960, 10936080, 14581440, 17497728, 21872160, 29162880, 43744320, 87488640]

約数ペア:

[(1, 87488640), (2, 43744320), (3, 29162880), (4, 21872160), (5, 17497728), (6, 14581440), (8, 10936080), (9, 9720960), (10, 8748864), (12, 7290720), (15, 5832576), (16, 5468040), (18, 4860480), (20, 4374432), (24, 3645360), (27, 3240320), (30, 2916288), (32, 2734020), (36, 2430240), (40, 2187216), (45, 1944192), (48, 1822680), (54, 1620160), (60, 1458144), (61, 1434240), (64, 1367010), (72, 1215120), (80, 1093608), (83, 1054080), (90, 972096), (96, 911340), (108, 810080), (120, 729072), (122, 717120), (128, 683505), (135, 648064), (144, 607560), (160, 546804), (166, 527040), (180, 486048), (183, 478080), (192, 455670), (216, 405040), (240, 364536), (244, 358560), (249, 351360), (270, 324032), (288, 303780), (305, 286848), (320, 273402), (332, 263520), (360, 243024), (366, 239040), (384, 227835), (415, 210816), (432, 202520), (480, 182268), (488, 179280), (498, 175680), (540, 162016), (549, 159360), (576, 151890), (610, 143424), (640, 136701), (664, 131760), (720, 121512), (732, 119520), (747, 117120), (830, 105408), (864, 101260), (915, 95616), (960, 91134), (976, 89640), (996, 87840), (1080, 81008), (1098, 79680), (1152, 75945), (1220, 71712), (1245, 70272), (1328, 65880), (1440, 60756), (1464, 59760), (1494, 58560), (1647, 53120), (1660, 52704), (1728, 50630), (1830, 47808), (1920, 45567), (1952, 44820), (1992, 43920), (2160, 40504), (2196, 39840), (2241, 39040), (2440, 35856), (2490, 35136), (2656, 32940), (2745, 31872), (2880, 30378), (2928, 29880), (2988, 29280), (3294, 26560), (3320, 26352), (3456, 25315), (3660, 23904), (3735, 23424), (3904, 22410), (3984, 21960), (4320, 20252), (4392, 19920), (4482, 19520), (4880, 17928), (4980, 17568), (5063, 17280), (5312, 16470), (5490, 15936), (5760, 15189), (5856, 14940), (5976, 14640), (6588, 13280), (6640, 13176), (7320, 11952), (7470, 11712), (7808, 11205), (7968, 10980), (8235, 10624), (8640, 10126), (8784, 9960), (8964, 9760)]