21872160

素因数分解:

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

素因数の和:168

約数の個数: 192

約数和(自身を含む): 78744960

約数和(自身を除く): 56872800

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, 72, 80, 83, 90, 96, 108, 120, 122, 135, 144, 160, 166, 180, 183, 216, 240, 244, 249, 270, 288, 305, 332, 360, 366, 415, 432, 480, 488, 498, 540, 549, 610, 664, 720, 732, 747, 830, 864, 915, 976, 996, 1080, 1098, 1220, 1245, 1328, 1440, 1464, 1494, 1647, 1660, 1830, 1952, 1992, 2160, 2196, 2241, 2440, 2490, 2656, 2745, 2928, 2988, 3294, 3320, 3660, 3735, 3984, 4320, 4392, 4482, 4880, 4980, 5063, 5490, 5856, 5976, 6588, 6640, 7320, 7470, 7968, 8235, 8784, 8964, 9760, 9960, 10126, 10980, 11205, 11952, 13176, 13280, 14640, 14940, 15189, 16470, 17568, 17928, 19920, 20252, 21960, 22410, 23904, 25315, 26352, 29280, 29880, 30378, 32940, 35856, 39840, 40504, 43920, 44820, 45567, 50630, 52704, 59760, 60756, 65880, 71712, 75945, 81008, 87840, 89640, 91134, 101260, 119520, 121512, 131760, 136701, 151890, 162016, 179280, 182268, 202520, 227835, 243024, 263520, 273402, 303780, 358560, 364536, 405040, 455670, 486048, 546804, 607560, 683505, 729072, 810080, 911340, 1093608, 1215120, 1367010, 1458144, 1822680, 2187216, 2430240, 2734020, 3645360, 4374432, 5468040, 7290720, 10936080, 21872160]

約数ペア:

[(1, 21872160), (2, 10936080), (3, 7290720), (4, 5468040), (5, 4374432), (6, 3645360), (8, 2734020), (9, 2430240), (10, 2187216), (12, 1822680), (15, 1458144), (16, 1367010), (18, 1215120), (20, 1093608), (24, 911340), (27, 810080), (30, 729072), (32, 683505), (36, 607560), (40, 546804), (45, 486048), (48, 455670), (54, 405040), (60, 364536), (61, 358560), (72, 303780), (80, 273402), (83, 263520), (90, 243024), (96, 227835), (108, 202520), (120, 182268), (122, 179280), (135, 162016), (144, 151890), (160, 136701), (166, 131760), (180, 121512), (183, 119520), (216, 101260), (240, 91134), (244, 89640), (249, 87840), (270, 81008), (288, 75945), (305, 71712), (332, 65880), (360, 60756), (366, 59760), (415, 52704), (432, 50630), (480, 45567), (488, 44820), (498, 43920), (540, 40504), (549, 39840), (610, 35856), (664, 32940), (720, 30378), (732, 29880), (747, 29280), (830, 26352), (864, 25315), (915, 23904), (976, 22410), (996, 21960), (1080, 20252), (1098, 19920), (1220, 17928), (1245, 17568), (1328, 16470), (1440, 15189), (1464, 14940), (1494, 14640), (1647, 13280), (1660, 13176), (1830, 11952), (1952, 11205), (1992, 10980), (2160, 10126), (2196, 9960), (2241, 9760), (2440, 8964), (2490, 8784), (2656, 8235), (2745, 7968), (2928, 7470), (2988, 7320), (3294, 6640), (3320, 6588), (3660, 5976), (3735, 5856), (3984, 5490), (4320, 5063), (4392, 4980), (4482, 4880)]