21478949280

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{216173}}^1$

素因数の和:216220

約数の個数: 192

約数和(自身を含む): 78445221120

約数和(自身を除く): 56966271840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 90, 92, 96, 108, 115, 120, 135, 138, 144, 160, 180, 184, 207, 216, 230, 240, 270, 276, 288, 345, 360, 368, 414, 432, 460, 480, 540, 552, 621, 690, 720, 736, 828, 864, 920, 1035, 1080, 1104, 1242, 1380, 1440, 1656, 1840, 2070, 2160, 2208, 2484, 2760, 3105, 3312, 3680, 4140, 4320, 4968, 5520, 6210, 6624, 8280, 9936, 11040, 12420, 16560, 19872, 24840, 33120, 49680, 99360, 216173, 432346, 648519, 864692, 1080865, 1297038, 1729384, 1945557, 2161730, 2594076, 3242595, 3458768, 3891114, 4323460, 4971979, 5188152, 5836671, 6485190, 6917536, 7782228, 8646920, 9727785, 9943958, 10376304, 11673342, 12970380, 14915937, 15564456, 17293840, 19455570, 19887916, 20752608, 23346684, 24859895, 25940760, 29183355, 29831874, 31128912, 34587680, 38911140, 39775832, 44747811, 46693368, 49719790, 51881520, 58366710, 59663748, 62257824, 74579685, 77822280, 79551664, 89495622, 93386736, 99439580, 103763040, 116733420, 119327496, 134243433, 149159370, 155644560, 159103328, 178991244, 186773472, 198879160, 223739055, 233466840, 238654992, 268486866, 298318740, 311289120, 357982488, 397758320, 447478110, 466933680, 477309984, 536973732, 596637480, 671217165, 715964976, 795516640, 894956220, 933867360, 1073947464, 1193274960, 1342434330, 1431929952, 1789912440, 2147894928, 2386549920, 2684868660, 3579824880, 4295789856, 5369737320, 7159649760, 10739474640, 21478949280]

約数ペア:

[(1, 21478949280), (2, 10739474640), (3, 7159649760), (4, 5369737320), (5, 4295789856), (6, 3579824880), (8, 2684868660), (9, 2386549920), (10, 2147894928), (12, 1789912440), (15, 1431929952), (16, 1342434330), (18, 1193274960), (20, 1073947464), (23, 933867360), (24, 894956220), (27, 795516640), (30, 715964976), (32, 671217165), (36, 596637480), (40, 536973732), (45, 477309984), (46, 466933680), (48, 447478110), (54, 397758320), (60, 357982488), (69, 311289120), (72, 298318740), (80, 268486866), (90, 238654992), (92, 233466840), (96, 223739055), (108, 198879160), (115, 186773472), (120, 178991244), (135, 159103328), (138, 155644560), (144, 149159370), (160, 134243433), (180, 119327496), (184, 116733420), (207, 103763040), (216, 99439580), (230, 93386736), (240, 89495622), (270, 79551664), (276, 77822280), (288, 74579685), (345, 62257824), (360, 59663748), (368, 58366710), (414, 51881520), (432, 49719790), (460, 46693368), (480, 44747811), (540, 39775832), (552, 38911140), (621, 34587680), (690, 31128912), (720, 29831874), (736, 29183355), (828, 25940760), (864, 24859895), (920, 23346684), (1035, 20752608), (1080, 19887916), (1104, 19455570), (1242, 17293840), (1380, 15564456), (1440, 14915937), (1656, 12970380), (1840, 11673342), (2070, 10376304), (2160, 9943958), (2208, 9727785), (2484, 8646920), (2760, 7782228), (3105, 6917536), (3312, 6485190), (3680, 5836671), (4140, 5188152), (4320, 4971979), (4968, 4323460), (5520, 3891114), (6210, 3458768), (6624, 3242595), (8280, 2594076), (9936, 2161730), (11040, 1945557), (12420, 1729384), (16560, 1297038), (19872, 1080865), (24840, 864692), (33120, 648519), (49680, 432346), (99360, 216173)]