81711270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31307}}^1$

素因数の和:31349

約数の個数: 48

約数和(自身を含む): 219782160

約数和(自身を除く): 138070890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 31307, 62614, 93921, 156535, 187842, 281763, 313070, 469605, 563526, 907903, 939210, 1408815, 1815806, 2723709, 2817630, 4539515, 5447418, 8171127, 9079030, 13618545, 16342254, 27237090, 40855635, 81711270]

約数ペア:

[(1, 81711270), (2, 40855635), (3, 27237090), (5, 16342254), (6, 13618545), (9, 9079030), (10, 8171127), (15, 5447418), (18, 4539515), (29, 2817630), (30, 2723709), (45, 1815806), (58, 1408815), (87, 939210), (90, 907903), (145, 563526), (174, 469605), (261, 313070), (290, 281763), (435, 187842), (522, 156535), (870, 93921), (1305, 62614), (2610, 31307)]