1287630

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 3628800

約数和(自身を除く): 2341170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 251, 270, 285, 342, 502, 513, 570, 753, 855, 1026, 1255, 1506, 1710, 2259, 2510, 2565, 3765, 4518, 4769, 5130, 6777, 7530, 9538, 11295, 13554, 14307, 22590, 23845, 28614, 33885, 42921, 47690, 67770, 71535, 85842, 128763, 143070, 214605, 257526, 429210, 643815, 1287630]

約数ペア:

[(1, 1287630), (2, 643815), (3, 429210), (5, 257526), (6, 214605), (9, 143070), (10, 128763), (15, 85842), (18, 71535), (19, 67770), (27, 47690), (30, 42921), (38, 33885), (45, 28614), (54, 23845), (57, 22590), (90, 14307), (95, 13554), (114, 11295), (135, 9538), (171, 7530), (190, 6777), (251, 5130), (270, 4769), (285, 4518), (342, 3765), (502, 2565), (513, 2510), (570, 2259), (753, 1710), (855, 1506), (1026, 1255)]