80220870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28753}}^1$

素因数の和:28797

約数の個数: 48

約数和(自身を含む): 215309952

約数和(自身を除く): 135089082

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 28753, 57506, 86259, 143765, 172518, 258777, 287530, 431295, 517554, 862590, 891343, 1293885, 1782686, 2587770, 2674029, 4456715, 5348058, 8022087, 8913430, 13370145, 16044174, 26740290, 40110435, 80220870]

約数ペア:

[(1, 80220870), (2, 40110435), (3, 26740290), (5, 16044174), (6, 13370145), (9, 8913430), (10, 8022087), (15, 5348058), (18, 4456715), (30, 2674029), (31, 2587770), (45, 1782686), (62, 1293885), (90, 891343), (93, 862590), (155, 517554), (186, 431295), (279, 287530), (310, 258777), (465, 172518), (558, 143765), (930, 86259), (1395, 57506), (2790, 28753)]