78591420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3187}}^1$

素因数の和:3339

約数の個数: 72

約数和(自身を含む): 240209424

約数和(自身を除く): 161618004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1233, 1370, 1644, 2055, 2466, 2740, 3187, 4110, 4932, 6165, 6374, 8220, 9561, 12330, 12748, 15935, 19122, 24660, 28683, 31870, 38244, 47805, 57366, 63740, 95610, 114732, 143415, 191220, 286830, 436619, 573660, 873238, 1309857, 1746476, 2183095, 2619714, 3929571, 4366190, 5239428, 6549285, 7859142, 8732380, 13098570, 15718284, 19647855, 26197140, 39295710, 78591420]

約数ペア:

[(1, 78591420), (2, 39295710), (3, 26197140), (4, 19647855), (5, 15718284), (6, 13098570), (9, 8732380), (10, 7859142), (12, 6549285), (15, 5239428), (18, 4366190), (20, 3929571), (30, 2619714), (36, 2183095), (45, 1746476), (60, 1309857), (90, 873238), (137, 573660), (180, 436619), (274, 286830), (411, 191220), (548, 143415), (685, 114732), (822, 95610), (1233, 63740), (1370, 57366), (1644, 47805), (2055, 38244), (2466, 31870), (2740, 28683), (3187, 24660), (4110, 19122), (4932, 15935), (6165, 12748), (6374, 12330), (8220, 9561)]