80778870

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3217}}^1$

素因数の和:3267

約数の個数: 80

約数和(自身を含む): 224281728

約数和(自身を除く): 143502858

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 81, 90, 93, 135, 155, 162, 186, 270, 279, 310, 405, 465, 558, 810, 837, 930, 1395, 1674, 2511, 2790, 3217, 4185, 5022, 6434, 8370, 9651, 12555, 16085, 19302, 25110, 28953, 32170, 48255, 57906, 86859, 96510, 99727, 144765, 173718, 199454, 260577, 289530, 299181, 434295, 498635, 521154, 598362, 868590, 897543, 997270, 1302885, 1495905, 1795086, 2605770, 2692629, 2991810, 4487715, 5385258, 8077887, 8975430, 13463145, 16155774, 26926290, 40389435, 80778870]

約数ペア:

[(1, 80778870), (2, 40389435), (3, 26926290), (5, 16155774), (6, 13463145), (9, 8975430), (10, 8077887), (15, 5385258), (18, 4487715), (27, 2991810), (30, 2692629), (31, 2605770), (45, 1795086), (54, 1495905), (62, 1302885), (81, 997270), (90, 897543), (93, 868590), (135, 598362), (155, 521154), (162, 498635), (186, 434295), (270, 299181), (279, 289530), (310, 260577), (405, 199454), (465, 173718), (558, 144765), (810, 99727), (837, 96510), (930, 86859), (1395, 57906), (1674, 48255), (2511, 32170), (2790, 28953), (3217, 25110), (4185, 19302), (5022, 16085), (6434, 12555), (8370, 9651)]