61515520

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 170862048

約数和(自身を除く): 109346528

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, 256, 257, 272, 320, 340, 352, 374, 440, 514, 544, 640, 680, 704, 748, 880, 935, 1028, 1088, 1280, 1285, 1360, 1408, 1496, 1760, 1870, 2056, 2176, 2570, 2720, 2816, 2827, 2992, 3520, 3740, 4112, 4352, 4369, 5140, 5440, 5654, 5984, 7040, 7480, 8224, 8738, 10280, 10880, 11308, 11968, 14080, 14135, 14960, 16448, 17476, 20560, 21760, 21845, 22616, 23936, 28270, 29920, 32896, 34952, 41120, 43690, 45232, 47872, 48059, 56540, 59840, 65792, 69904, 82240, 87380, 90464, 96118, 113080, 119680, 139808, 164480, 174760, 180928, 192236, 226160, 239360, 240295, 279616, 328960, 349520, 361856, 384472, 452320, 480590, 559232, 699040, 723712, 768944, 904640, 961180, 1118464, 1398080, 1537888, 1809280, 1922360, 2796160, 3075776, 3618560, 3844720, 5592320, 6151552, 7689440, 12303104, 15378880, 30757760, 61515520]

約数ペア:

[(1, 61515520), (2, 30757760), (4, 15378880), (5, 12303104), (8, 7689440), (10, 6151552), (11, 5592320), (16, 3844720), (17, 3618560), (20, 3075776), (22, 2796160), (32, 1922360), (34, 1809280), (40, 1537888), (44, 1398080), (55, 1118464), (64, 961180), (68, 904640), (80, 768944), (85, 723712), (88, 699040), (110, 559232), (128, 480590), (136, 452320), (160, 384472), (170, 361856), (176, 349520), (187, 328960), (220, 279616), (256, 240295), (257, 239360), (272, 226160), (320, 192236), (340, 180928), (352, 174760), (374, 164480), (440, 139808), (514, 119680), (544, 113080), (640, 96118), (680, 90464), (704, 87380), (748, 82240), (880, 69904), (935, 65792), (1028, 59840), (1088, 56540), (1280, 48059), (1285, 47872), (1360, 45232), (1408, 43690), (1496, 41120), (1760, 34952), (1870, 32896), (2056, 29920), (2176, 28270), (2570, 23936), (2720, 22616), (2816, 21845), (2827, 21760), (2992, 20560), (3520, 17476), (3740, 16448), (4112, 14960), (4352, 14135), (4369, 14080), (5140, 11968), (5440, 11308), (5654, 10880), (5984, 10280), (7040, 8738), (7480, 8224)]