220920720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{6719}}^1$

素因数の和:6872

約数の個数: 80

約数和(自身を含む): 689955840

約数和(自身を除く): 469035120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 137, 240, 274, 411, 548, 685, 822, 1096, 1370, 1644, 2055, 2192, 2740, 3288, 4110, 5480, 6576, 6719, 8220, 10960, 13438, 16440, 20157, 26876, 32880, 33595, 40314, 53752, 67190, 80628, 100785, 107504, 134380, 161256, 201570, 268760, 322512, 403140, 537520, 806280, 920503, 1612560, 1841006, 2761509, 3682012, 4602515, 5523018, 7364024, 9205030, 11046036, 13807545, 14728048, 18410060, 22092072, 27615090, 36820120, 44184144, 55230180, 73640240, 110460360, 220920720]

約数ペア:

[(1, 220920720), (2, 110460360), (3, 73640240), (4, 55230180), (5, 44184144), (6, 36820120), (8, 27615090), (10, 22092072), (12, 18410060), (15, 14728048), (16, 13807545), (20, 11046036), (24, 9205030), (30, 7364024), (40, 5523018), (48, 4602515), (60, 3682012), (80, 2761509), (120, 1841006), (137, 1612560), (240, 920503), (274, 806280), (411, 537520), (548, 403140), (685, 322512), (822, 268760), (1096, 201570), (1370, 161256), (1644, 134380), (2055, 107504), (2192, 100785), (2740, 80628), (3288, 67190), (4110, 53752), (5480, 40314), (6576, 33595), (6719, 32880), (8220, 26876), (10960, 20157), (13438, 16440)]