42871280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1087}}^1$

素因数の和:1146

約数の個数: 80

約数和(自身を含む): 109278720

約数和(自身を除く): 66407440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 340, 464, 493, 580, 680, 986, 1087, 1160, 1360, 1972, 2174, 2320, 2465, 3944, 4348, 4930, 5435, 7888, 8696, 9860, 10870, 17392, 18479, 19720, 21740, 31523, 36958, 39440, 43480, 63046, 73916, 86960, 92395, 126092, 147832, 157615, 184790, 252184, 295664, 315230, 369580, 504368, 535891, 630460, 739160, 1071782, 1260920, 1478320, 2143564, 2521840, 2679455, 4287128, 5358910, 8574256, 10717820, 21435640, 42871280]

約数ペア:

[(1, 42871280), (2, 21435640), (4, 10717820), (5, 8574256), (8, 5358910), (10, 4287128), (16, 2679455), (17, 2521840), (20, 2143564), (29, 1478320), (34, 1260920), (40, 1071782), (58, 739160), (68, 630460), (80, 535891), (85, 504368), (116, 369580), (136, 315230), (145, 295664), (170, 252184), (232, 184790), (272, 157615), (290, 147832), (340, 126092), (464, 92395), (493, 86960), (580, 73916), (680, 63046), (986, 43480), (1087, 39440), (1160, 36958), (1360, 31523), (1972, 21740), (2174, 19720), (2320, 18479), (2465, 17392), (3944, 10870), (4348, 9860), (4930, 8696), (5435, 7888)]