1280245090

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{1069}}^1$

素因数の和:1267

約数の個数: 64

約数和(自身を含む): 2485002240

約数和(自身を除く): 1204757150

約数列:

[1, 2, 5, 10, 23, 41, 46, 82, 115, 127, 205, 230, 254, 410, 635, 943, 1069, 1270, 1886, 2138, 2921, 4715, 5207, 5345, 5842, 9430, 10414, 10690, 14605, 24587, 26035, 29210, 43829, 49174, 52070, 87658, 119761, 122935, 135763, 219145, 239522, 245870, 271526, 438290, 598805, 678815, 1008067, 1197610, 1357630, 2016134, 3122549, 5040335, 5566283, 6245098, 10080670, 11132566, 15612745, 27831415, 31225490, 55662830, 128024509, 256049018, 640122545, 1280245090]

約数ペア:

[(1, 1280245090), (2, 640122545), (5, 256049018), (10, 128024509), (23, 55662830), (41, 31225490), (46, 27831415), (82, 15612745), (115, 11132566), (127, 10080670), (205, 6245098), (230, 5566283), (254, 5040335), (410, 3122549), (635, 2016134), (943, 1357630), (1069, 1197610), (1270, 1008067), (1886, 678815), (2138, 598805), (2921, 438290), (4715, 271526), (5207, 245870), (5345, 239522), (5842, 219145), (9430, 135763), (10414, 122935), (10690, 119761), (14605, 87658), (24587, 52070), (26035, 49174), (29210, 43829)]