20485242240

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{84011}}^1$

素因数の和:84160

約数の個数: 128

約数和(自身を含む): 65811640320

約数和(自身を除く): 45326398080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 128, 160, 192, 240, 254, 320, 381, 384, 480, 508, 635, 640, 762, 960, 1016, 1270, 1524, 1905, 1920, 2032, 2540, 3048, 3810, 4064, 5080, 6096, 7620, 8128, 10160, 12192, 15240, 16256, 20320, 24384, 30480, 40640, 48768, 60960, 81280, 84011, 121920, 168022, 243840, 252033, 336044, 420055, 504066, 672088, 840110, 1008132, 1260165, 1344176, 1680220, 2016264, 2520330, 2688352, 3360440, 4032528, 5040660, 5376704, 6720880, 8065056, 10081320, 10669397, 10753408, 13441760, 16130112, 20162640, 21338794, 26883520, 32008191, 32260224, 40325280, 42677588, 53346985, 53767040, 64016382, 80650560, 85355176, 106693970, 128032764, 160040955, 161301120, 170710352, 213387940, 256065528, 320081910, 341420704, 426775880, 512131056, 640163820, 682841408, 853551760, 1024262112, 1280327640, 1365682816, 1707103520, 2048524224, 2560655280, 3414207040, 4097048448, 5121310560, 6828414080, 10242621120, 20485242240]

約数ペア:

[(1, 20485242240), (2, 10242621120), (3, 6828414080), (4, 5121310560), (5, 4097048448), (6, 3414207040), (8, 2560655280), (10, 2048524224), (12, 1707103520), (15, 1365682816), (16, 1280327640), (20, 1024262112), (24, 853551760), (30, 682841408), (32, 640163820), (40, 512131056), (48, 426775880), (60, 341420704), (64, 320081910), (80, 256065528), (96, 213387940), (120, 170710352), (127, 161301120), (128, 160040955), (160, 128032764), (192, 106693970), (240, 85355176), (254, 80650560), (320, 64016382), (381, 53767040), (384, 53346985), (480, 42677588), (508, 40325280), (635, 32260224), (640, 32008191), (762, 26883520), (960, 21338794), (1016, 20162640), (1270, 16130112), (1524, 13441760), (1905, 10753408), (1920, 10669397), (2032, 10081320), (2540, 8065056), (3048, 6720880), (3810, 5376704), (4064, 5040660), (5080, 4032528), (6096, 3360440), (7620, 2688352), (8128, 2520330), (10160, 2016264), (12192, 1680220), (15240, 1344176), (16256, 1260165), (20320, 1008132), (24384, 840110), (30480, 672088), (40640, 504066), (48768, 420055), (60960, 336044), (81280, 252033), (84011, 243840), (121920, 168022)]