31883520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:85

約数の個数: 216

約数和(自身を含む): 112142016

約数和(自身を除く): 80258496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 23, 24, 30, 32, 38, 40, 46, 48, 57, 60, 64, 69, 76, 80, 92, 95, 96, 114, 115, 120, 128, 138, 152, 160, 184, 190, 192, 228, 230, 240, 256, 276, 285, 304, 320, 345, 361, 368, 380, 384, 437, 456, 460, 480, 552, 570, 608, 640, 690, 722, 736, 760, 768, 874, 912, 920, 960, 1083, 1104, 1140, 1216, 1280, 1311, 1380, 1444, 1472, 1520, 1748, 1805, 1824, 1840, 1920, 2166, 2185, 2208, 2280, 2432, 2622, 2760, 2888, 2944, 3040, 3496, 3610, 3648, 3680, 3840, 4332, 4370, 4416, 4560, 4864, 5244, 5415, 5520, 5776, 5888, 6080, 6555, 6992, 7220, 7296, 7360, 8303, 8664, 8740, 8832, 9120, 10488, 10830, 11040, 11552, 12160, 13110, 13984, 14440, 14592, 14720, 16606, 17328, 17480, 17664, 18240, 20976, 21660, 22080, 23104, 24320, 24909, 26220, 27968, 28880, 29440, 33212, 34656, 34960, 36480, 41515, 41952, 43320, 44160, 46208, 49818, 52440, 55936, 57760, 66424, 69312, 69920, 72960, 83030, 83904, 86640, 88320, 92416, 99636, 104880, 111872, 115520, 124545, 132848, 138624, 139840, 166060, 167808, 173280, 199272, 209760, 231040, 249090, 265696, 277248, 279680, 332120, 335616, 346560, 398544, 419520, 462080, 498180, 531392, 559360, 664240, 693120, 797088, 839040, 996360, 1062784, 1328480, 1386240, 1594176, 1678080, 1992720, 2125568, 2656960, 3188352, 3985440, 5313920, 6376704, 7970880, 10627840, 15941760, 31883520]

約数ペア:

[(1, 31883520), (2, 15941760), (3, 10627840), (4, 7970880), (5, 6376704), (6, 5313920), (8, 3985440), (10, 3188352), (12, 2656960), (15, 2125568), (16, 1992720), (19, 1678080), (20, 1594176), (23, 1386240), (24, 1328480), (30, 1062784), (32, 996360), (38, 839040), (40, 797088), (46, 693120), (48, 664240), (57, 559360), (60, 531392), (64, 498180), (69, 462080), (76, 419520), (80, 398544), (92, 346560), (95, 335616), (96, 332120), (114, 279680), (115, 277248), (120, 265696), (128, 249090), (138, 231040), (152, 209760), (160, 199272), (184, 173280), (190, 167808), (192, 166060), (228, 139840), (230, 138624), (240, 132848), (256, 124545), (276, 115520), (285, 111872), (304, 104880), (320, 99636), (345, 92416), (361, 88320), (368, 86640), (380, 83904), (384, 83030), (437, 72960), (456, 69920), (460, 69312), (480, 66424), (552, 57760), (570, 55936), (608, 52440), (640, 49818), (690, 46208), (722, 44160), (736, 43320), (760, 41952), (768, 41515), (874, 36480), (912, 34960), (920, 34656), (960, 33212), (1083, 29440), (1104, 28880), (1140, 27968), (1216, 26220), (1280, 24909), (1311, 24320), (1380, 23104), (1444, 22080), (1472, 21660), (1520, 20976), (1748, 18240), (1805, 17664), (1824, 17480), (1840, 17328), (1920, 16606), (2166, 14720), (2185, 14592), (2208, 14440), (2280, 13984), (2432, 13110), (2622, 12160), (2760, 11552), (2888, 11040), (2944, 10830), (3040, 10488), (3496, 9120), (3610, 8832), (3648, 8740), (3680, 8664), (3840, 8303), (4332, 7360), (4370, 7296), (4416, 7220), (4560, 6992), (4864, 6555), (5244, 6080), (5415, 5888), (5520, 5776)]