30757760

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:304

約数の個数: 128

約数和(自身を含む): 85263840

約数和(自身を除く): 54506080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 128, 136, 160, 170, 176, 187, 220, 257, 272, 320, 340, 352, 374, 440, 514, 544, 640, 680, 704, 748, 880, 935, 1028, 1088, 1285, 1360, 1408, 1496, 1760, 1870, 2056, 2176, 2570, 2720, 2827, 2992, 3520, 3740, 4112, 4369, 5140, 5440, 5654, 5984, 7040, 7480, 8224, 8738, 10280, 10880, 11308, 11968, 14135, 14960, 16448, 17476, 20560, 21845, 22616, 23936, 28270, 29920, 32896, 34952, 41120, 43690, 45232, 48059, 56540, 59840, 69904, 82240, 87380, 90464, 96118, 113080, 119680, 139808, 164480, 174760, 180928, 192236, 226160, 240295, 279616, 349520, 361856, 384472, 452320, 480590, 559232, 699040, 768944, 904640, 961180, 1398080, 1537888, 1809280, 1922360, 2796160, 3075776, 3844720, 6151552, 7689440, 15378880, 30757760]

約数ペア:

[(1, 30757760), (2, 15378880), (4, 7689440), (5, 6151552), (8, 3844720), (10, 3075776), (11, 2796160), (16, 1922360), (17, 1809280), (20, 1537888), (22, 1398080), (32, 961180), (34, 904640), (40, 768944), (44, 699040), (55, 559232), (64, 480590), (68, 452320), (80, 384472), (85, 361856), (88, 349520), (110, 279616), (128, 240295), (136, 226160), (160, 192236), (170, 180928), (176, 174760), (187, 164480), (220, 139808), (257, 119680), (272, 113080), (320, 96118), (340, 90464), (352, 87380), (374, 82240), (440, 69904), (514, 59840), (544, 56540), (640, 48059), (680, 45232), (704, 43690), (748, 41120), (880, 34952), (935, 32896), (1028, 29920), (1088, 28270), (1285, 23936), (1360, 22616), (1408, 21845), (1496, 20560), (1760, 17476), (1870, 16448), (2056, 14960), (2176, 14135), (2570, 11968), (2720, 11308), (2827, 10880), (2992, 10280), (3520, 8738), (3740, 8224), (4112, 7480), (4369, 7040), (5140, 5984), (5440, 5654)]