281517120

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{10861}}^1$

素因数の和:10890

約数の個数: 140

約数和(自身を含む): 1001498124

約数和(自身を除く): 719981004

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, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 10861, 12960, 21722, 25920, 32583, 43444, 54305, 65166, 86888, 97749, 108610, 130332, 162915, 173776, 195498, 217220, 260664, 293247, 325830, 347552, 390996, 434440, 488745, 521328, 586494, 651660, 695104, 781992, 868880, 879741, 977490, 1042656, 1172988, 1303320, 1466235, 1563984, 1737760, 1759482, 1954980, 2085312, 2345976, 2606640, 2932470, 3127968, 3475520, 3518964, 3909960, 4398705, 4691952, 5213280, 5864940, 6255936, 7037928, 7819920, 8797410, 9383904, 10426560, 11729880, 14075856, 15639840, 17594820, 18767808, 23459760, 28151712, 31279680, 35189640, 46919520, 56303424, 70379280, 93839040, 140758560, 281517120]

約数ペア:

[(1, 281517120), (2, 140758560), (3, 93839040), (4, 70379280), (5, 56303424), (6, 46919520), (8, 35189640), (9, 31279680), (10, 28151712), (12, 23459760), (15, 18767808), (16, 17594820), (18, 15639840), (20, 14075856), (24, 11729880), (27, 10426560), (30, 9383904), (32, 8797410), (36, 7819920), (40, 7037928), (45, 6255936), (48, 5864940), (54, 5213280), (60, 4691952), (64, 4398705), (72, 3909960), (80, 3518964), (81, 3475520), (90, 3127968), (96, 2932470), (108, 2606640), (120, 2345976), (135, 2085312), (144, 1954980), (160, 1759482), (162, 1737760), (180, 1563984), (192, 1466235), (216, 1303320), (240, 1172988), (270, 1042656), (288, 977490), (320, 879741), (324, 868880), (360, 781992), (405, 695104), (432, 651660), (480, 586494), (540, 521328), (576, 488745), (648, 434440), (720, 390996), (810, 347552), (864, 325830), (960, 293247), (1080, 260664), (1296, 217220), (1440, 195498), (1620, 173776), (1728, 162915), (2160, 130332), (2592, 108610), (2880, 97749), (3240, 86888), (4320, 65166), (5184, 54305), (6480, 43444), (8640, 32583), (10861, 25920), (12960, 21722)]