72820980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2953}}^1$

素因数の和:3105

約数の個数: 72

約数和(自身を含む): 222577992

約数和(自身を除く): 149757012

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, 2953, 4110, 4932, 5906, 6165, 8220, 8859, 11812, 12330, 14765, 17718, 24660, 26577, 29530, 35436, 44295, 53154, 59060, 88590, 106308, 132885, 177180, 265770, 404561, 531540, 809122, 1213683, 1618244, 2022805, 2427366, 3641049, 4045610, 4854732, 6068415, 7282098, 8091220, 12136830, 14564196, 18205245, 24273660, 36410490, 72820980]

約数ペア:

[(1, 72820980), (2, 36410490), (3, 24273660), (4, 18205245), (5, 14564196), (6, 12136830), (9, 8091220), (10, 7282098), (12, 6068415), (15, 4854732), (18, 4045610), (20, 3641049), (30, 2427366), (36, 2022805), (45, 1618244), (60, 1213683), (90, 809122), (137, 531540), (180, 404561), (274, 265770), (411, 177180), (548, 132885), (685, 106308), (822, 88590), (1233, 59060), (1370, 53154), (1644, 44295), (2055, 35436), (2466, 29530), (2740, 26577), (2953, 24660), (4110, 17718), (4932, 14765), (5906, 12330), (6165, 11812), (8220, 8859)]