71721640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3637}}^1$

素因数の和:3694

約数の個数: 64

約数和(自身を含む): 176806800

約数和(自身を除く): 105085160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 680, 986, 1160, 1972, 2465, 3637, 3944, 4930, 7274, 9860, 14548, 18185, 19720, 29096, 36370, 61829, 72740, 105473, 123658, 145480, 210946, 247316, 309145, 421892, 494632, 527365, 618290, 843784, 1054730, 1236580, 1793041, 2109460, 2473160, 3586082, 4218920, 7172164, 8965205, 14344328, 17930410, 35860820, 71721640]

約数ペア:

[(1, 71721640), (2, 35860820), (4, 17930410), (5, 14344328), (8, 8965205), (10, 7172164), (17, 4218920), (20, 3586082), (29, 2473160), (34, 2109460), (40, 1793041), (58, 1236580), (68, 1054730), (85, 843784), (116, 618290), (136, 527365), (145, 494632), (170, 421892), (232, 309145), (290, 247316), (340, 210946), (493, 145480), (580, 123658), (680, 105473), (986, 72740), (1160, 61829), (1972, 36370), (2465, 29096), (3637, 19720), (3944, 18185), (4930, 14548), (7274, 9860)]