121427360

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2953}}^1$

素因数の和:3225

約数の個数: 48

約数和(自身を含む): 288085896

約数和(自身を除く): 166658536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 514, 1028, 1285, 2056, 2570, 2953, 4112, 5140, 5906, 8224, 10280, 11812, 14765, 20560, 23624, 29530, 41120, 47248, 59060, 94496, 118120, 236240, 472480, 758921, 1517842, 3035684, 3794605, 6071368, 7589210, 12142736, 15178420, 24285472, 30356840, 60713680, 121427360]

約数ペア:

[(1, 121427360), (2, 60713680), (4, 30356840), (5, 24285472), (8, 15178420), (10, 12142736), (16, 7589210), (20, 6071368), (32, 3794605), (40, 3035684), (80, 1517842), (160, 758921), (257, 472480), (514, 236240), (1028, 118120), (1285, 94496), (2056, 59060), (2570, 47248), (2953, 41120), (4112, 29530), (5140, 23624), (5906, 20560), (8224, 14765), (10280, 11812)]