80646660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2503}}^1$

素因数の和:2697

約数の個数: 72

約数和(自身を含む): 246093120

約数和(自身を除く): 165446460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 179, 180, 358, 537, 716, 895, 1074, 1611, 1790, 2148, 2503, 2685, 3222, 3580, 5006, 5370, 6444, 7509, 8055, 10012, 10740, 12515, 15018, 16110, 22527, 25030, 30036, 32220, 37545, 45054, 50060, 75090, 90108, 112635, 150180, 225270, 448037, 450540, 896074, 1344111, 1792148, 2240185, 2688222, 4032333, 4480370, 5376444, 6720555, 8064666, 8960740, 13441110, 16129332, 20161665, 26882220, 40323330, 80646660]

約数ペア:

[(1, 80646660), (2, 40323330), (3, 26882220), (4, 20161665), (5, 16129332), (6, 13441110), (9, 8960740), (10, 8064666), (12, 6720555), (15, 5376444), (18, 4480370), (20, 4032333), (30, 2688222), (36, 2240185), (45, 1792148), (60, 1344111), (90, 896074), (179, 450540), (180, 448037), (358, 225270), (537, 150180), (716, 112635), (895, 90108), (1074, 75090), (1611, 50060), (1790, 45054), (2148, 37545), (2503, 32220), (2685, 30036), (3222, 25030), (3580, 22527), (5006, 16110), (5370, 15018), (6444, 12515), (7509, 10740), (8055, 10012)]