254857680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4597}}^1$

素因数の和:4634

約数の個数: 240

約数和(自身を含む): 1067324544

約数和(自身を除く): 812466864

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 252, 264, 280, 308, 315, 330, 336, 360, 385, 396, 420, 440, 462, 495, 504, 528, 560, 616, 630, 660, 693, 720, 770, 792, 840, 880, 924, 990, 1008, 1155, 1232, 1260, 1320, 1386, 1540, 1584, 1680, 1848, 1980, 2310, 2520, 2640, 2772, 3080, 3465, 3696, 3960, 4597, 4620, 5040, 5544, 6160, 6930, 7920, 9194, 9240, 11088, 13791, 13860, 18388, 18480, 22985, 27582, 27720, 32179, 36776, 41373, 45970, 50567, 55164, 55440, 64358, 68955, 73552, 82746, 91940, 96537, 101134, 110328, 128716, 137910, 151701, 160895, 165492, 183880, 193074, 202268, 206865, 220656, 252835, 257432, 275820, 289611, 303402, 321790, 330984, 353969, 367760, 386148, 404536, 413730, 455103, 482685, 505670, 514864, 551640, 579222, 606804, 643580, 661968, 707938, 758505, 772296, 809072, 827460, 910206, 965370, 1011340, 1061907, 1103280, 1158444, 1213608, 1287160, 1415876, 1448055, 1517010, 1544592, 1654920, 1769845, 1820412, 1930740, 2022680, 2123814, 2275515, 2316888, 2427216, 2574320, 2831752, 2896110, 3034020, 3185721, 3309840, 3539690, 3640824, 3861480, 4045360, 4247628, 4551030, 4633776, 5309535, 5663504, 5792220, 6068040, 6371442, 7079380, 7281648, 7722960, 8495256, 9102060, 10619070, 11584440, 12136080, 12742884, 14158760, 15928605, 16990512, 18204120, 21238140, 23168880, 25485768, 28317520, 31857210, 36408240, 42476280, 50971536, 63714420, 84952560, 127428840, 254857680]

約数ペア:

[(1, 254857680), (2, 127428840), (3, 84952560), (4, 63714420), (5, 50971536), (6, 42476280), (7, 36408240), (8, 31857210), (9, 28317520), (10, 25485768), (11, 23168880), (12, 21238140), (14, 18204120), (15, 16990512), (16, 15928605), (18, 14158760), (20, 12742884), (21, 12136080), (22, 11584440), (24, 10619070), (28, 9102060), (30, 8495256), (33, 7722960), (35, 7281648), (36, 7079380), (40, 6371442), (42, 6068040), (44, 5792220), (45, 5663504), (48, 5309535), (55, 4633776), (56, 4551030), (60, 4247628), (63, 4045360), (66, 3861480), (70, 3640824), (72, 3539690), (77, 3309840), (80, 3185721), (84, 3034020), (88, 2896110), (90, 2831752), (99, 2574320), (105, 2427216), (110, 2316888), (112, 2275515), (120, 2123814), (126, 2022680), (132, 1930740), (140, 1820412), (144, 1769845), (154, 1654920), (165, 1544592), (168, 1517010), (176, 1448055), (180, 1415876), (198, 1287160), (210, 1213608), (220, 1158444), (231, 1103280), (240, 1061907), (252, 1011340), (264, 965370), (280, 910206), (308, 827460), (315, 809072), (330, 772296), (336, 758505), (360, 707938), (385, 661968), (396, 643580), (420, 606804), (440, 579222), (462, 551640), (495, 514864), (504, 505670), (528, 482685), (560, 455103), (616, 413730), (630, 404536), (660, 386148), (693, 367760), (720, 353969), (770, 330984), (792, 321790), (840, 303402), (880, 289611), (924, 275820), (990, 257432), (1008, 252835), (1155, 220656), (1232, 206865), (1260, 202268), (1320, 193074), (1386, 183880), (1540, 165492), (1584, 160895), (1680, 151701), (1848, 137910), (1980, 128716), (2310, 110328), (2520, 101134), (2640, 96537), (2772, 91940), (3080, 82746), (3465, 73552), (3696, 68955), (3960, 64358), (4597, 55440), (4620, 55164), (5040, 50567), (5544, 45970), (6160, 41373), (6930, 36776), (7920, 32179), (9194, 27720), (9240, 27582), (11088, 22985), (13791, 18480), (13860, 18388)]