16538640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{503}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 51746688

約数和(自身を除く): 35208048

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, 503, 548, 685, 822, 1006, 1096, 1370, 1509, 1644, 2012, 2055, 2192, 2515, 2740, 3018, 3288, 4024, 4110, 5030, 5480, 6036, 6576, 7545, 8048, 8220, 10060, 10960, 12072, 15090, 16440, 20120, 24144, 30180, 32880, 40240, 60360, 68911, 120720, 137822, 206733, 275644, 344555, 413466, 551288, 689110, 826932, 1033665, 1102576, 1378220, 1653864, 2067330, 2756440, 3307728, 4134660, 5512880, 8269320, 16538640]

約数ペア:

[(1, 16538640), (2, 8269320), (3, 5512880), (4, 4134660), (5, 3307728), (6, 2756440), (8, 2067330), (10, 1653864), (12, 1378220), (15, 1102576), (16, 1033665), (20, 826932), (24, 689110), (30, 551288), (40, 413466), (48, 344555), (60, 275644), (80, 206733), (120, 137822), (137, 120720), (240, 68911), (274, 60360), (411, 40240), (503, 32880), (548, 30180), (685, 24144), (822, 20120), (1006, 16440), (1096, 15090), (1370, 12072), (1509, 10960), (1644, 10060), (2012, 8220), (2055, 8048), (2192, 7545), (2515, 6576), (2740, 6036), (3018, 5480), (3288, 5030), (4024, 4110)]