138918240

素因数分解:

$2^5\times 3^7\times 5^1\times {\mathrm{397}}^1$

素因数の和:433

約数の個数: 192

約数和(自身を含む): 493456320

約数和(自身を除く): 354538080

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, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 397, 405, 432, 480, 486, 540, 648, 720, 729, 794, 810, 864, 972, 1080, 1191, 1215, 1296, 1440, 1458, 1588, 1620, 1944, 1985, 2160, 2187, 2382, 2430, 2592, 2916, 3176, 3240, 3573, 3645, 3888, 3970, 4320, 4374, 4764, 4860, 5832, 5955, 6352, 6480, 7146, 7290, 7776, 7940, 8748, 9528, 9720, 10719, 10935, 11664, 11910, 12704, 12960, 14292, 14580, 15880, 17496, 17865, 19056, 19440, 21438, 21870, 23328, 23820, 28584, 29160, 31760, 32157, 34992, 35730, 38112, 38880, 42876, 43740, 47640, 53595, 57168, 58320, 63520, 64314, 69984, 71460, 85752, 87480, 95280, 96471, 107190, 114336, 116640, 128628, 142920, 160785, 171504, 174960, 190560, 192942, 214380, 257256, 285840, 289413, 321570, 343008, 349920, 385884, 428760, 482355, 514512, 571680, 578826, 643140, 771768, 857520, 868239, 964710, 1029024, 1157652, 1286280, 1447065, 1543536, 1715040, 1736478, 1929420, 2315304, 2572560, 2894130, 3087072, 3472956, 3858840, 4341195, 4630608, 5145120, 5788260, 6945912, 7717680, 8682390, 9261216, 11576520, 13891824, 15435360, 17364780, 23153040, 27783648, 34729560, 46306080, 69459120, 138918240]

約数ペア:

[(1, 138918240), (2, 69459120), (3, 46306080), (4, 34729560), (5, 27783648), (6, 23153040), (8, 17364780), (9, 15435360), (10, 13891824), (12, 11576520), (15, 9261216), (16, 8682390), (18, 7717680), (20, 6945912), (24, 5788260), (27, 5145120), (30, 4630608), (32, 4341195), (36, 3858840), (40, 3472956), (45, 3087072), (48, 2894130), (54, 2572560), (60, 2315304), (72, 1929420), (80, 1736478), (81, 1715040), (90, 1543536), (96, 1447065), (108, 1286280), (120, 1157652), (135, 1029024), (144, 964710), (160, 868239), (162, 857520), (180, 771768), (216, 643140), (240, 578826), (243, 571680), (270, 514512), (288, 482355), (324, 428760), (360, 385884), (397, 349920), (405, 343008), (432, 321570), (480, 289413), (486, 285840), (540, 257256), (648, 214380), (720, 192942), (729, 190560), (794, 174960), (810, 171504), (864, 160785), (972, 142920), (1080, 128628), (1191, 116640), (1215, 114336), (1296, 107190), (1440, 96471), (1458, 95280), (1588, 87480), (1620, 85752), (1944, 71460), (1985, 69984), (2160, 64314), (2187, 63520), (2382, 58320), (2430, 57168), (2592, 53595), (2916, 47640), (3176, 43740), (3240, 42876), (3573, 38880), (3645, 38112), (3888, 35730), (3970, 34992), (4320, 32157), (4374, 31760), (4764, 29160), (4860, 28584), (5832, 23820), (5955, 23328), (6352, 21870), (6480, 21438), (7146, 19440), (7290, 19056), (7776, 17865), (7940, 17496), (8748, 15880), (9528, 14580), (9720, 14292), (10719, 12960), (10935, 12704), (11664, 11910)]