15378880

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:302

約数の個数: 112

約数和(自身を含む): 42464736

約数和(自身を除く): 27085856

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, 136, 160, 170, 176, 187, 220, 257, 272, 320, 340, 352, 374, 440, 514, 544, 680, 704, 748, 880, 935, 1028, 1088, 1285, 1360, 1496, 1760, 1870, 2056, 2570, 2720, 2827, 2992, 3520, 3740, 4112, 4369, 5140, 5440, 5654, 5984, 7480, 8224, 8738, 10280, 11308, 11968, 14135, 14960, 16448, 17476, 20560, 21845, 22616, 28270, 29920, 34952, 41120, 43690, 45232, 48059, 56540, 59840, 69904, 82240, 87380, 90464, 96118, 113080, 139808, 174760, 180928, 192236, 226160, 240295, 279616, 349520, 384472, 452320, 480590, 699040, 768944, 904640, 961180, 1398080, 1537888, 1922360, 3075776, 3844720, 7689440, 15378880]

約数ペア:

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