278855280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:424

約数の個数: 240

約数和(自身を含む): 1033085664

約数和(自身を除く): 754230384

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 137, 144, 165, 176, 180, 198, 220, 240, 257, 264, 274, 330, 360, 396, 411, 440, 495, 514, 528, 548, 660, 685, 720, 771, 792, 822, 880, 990, 1028, 1096, 1233, 1285, 1320, 1370, 1507, 1542, 1584, 1644, 1980, 2055, 2056, 2192, 2313, 2466, 2570, 2640, 2740, 2827, 3014, 3084, 3288, 3855, 3960, 4110, 4112, 4521, 4626, 4932, 5140, 5480, 5654, 6028, 6165, 6168, 6576, 7535, 7710, 7920, 8220, 8481, 9042, 9252, 9864, 10280, 10960, 11308, 11565, 12056, 12330, 12336, 13563, 14135, 15070, 15420, 16440, 16962, 18084, 18504, 19728, 20560, 22605, 22616, 23130, 24112, 24660, 25443, 27126, 28270, 30140, 30840, 32880, 33924, 35209, 36168, 37008, 42405, 45210, 45232, 46260, 49320, 50886, 54252, 56540, 60280, 61680, 67815, 67848, 70418, 72336, 84810, 90420, 92520, 98640, 101772, 105627, 108504, 113080, 120560, 127215, 135630, 135696, 140836, 169620, 176045, 180840, 185040, 203544, 211254, 217008, 226160, 254430, 271260, 281672, 316881, 339240, 352090, 361680, 387299, 407088, 422508, 508860, 528135, 542520, 563344, 633762, 678480, 704180, 774598, 845016, 1017720, 1056270, 1085040, 1161897, 1267524, 1408360, 1549196, 1584405, 1690032, 1936495, 2035440, 2112540, 2323794, 2535048, 2816720, 3098392, 3168810, 3485691, 3872990, 4225080, 4647588, 5070096, 5809485, 6196784, 6337620, 6971382, 7745980, 8450160, 9295176, 11618970, 12675240, 13942764, 15491960, 17428455, 18590352, 23237940, 25350480, 27885528, 30983920, 34856910, 46475880, 55771056, 69713820, 92951760, 139427640, 278855280]

約数ペア:

[(1, 278855280), (2, 139427640), (3, 92951760), (4, 69713820), (5, 55771056), (6, 46475880), (8, 34856910), (9, 30983920), (10, 27885528), (11, 25350480), (12, 23237940), (15, 18590352), (16, 17428455), (18, 15491960), (20, 13942764), (22, 12675240), (24, 11618970), (30, 9295176), (33, 8450160), (36, 7745980), (40, 6971382), (44, 6337620), (45, 6196784), (48, 5809485), (55, 5070096), (60, 4647588), (66, 4225080), (72, 3872990), (80, 3485691), (88, 3168810), (90, 3098392), (99, 2816720), (110, 2535048), (120, 2323794), (132, 2112540), (137, 2035440), (144, 1936495), (165, 1690032), (176, 1584405), (180, 1549196), (198, 1408360), (220, 1267524), (240, 1161897), (257, 1085040), (264, 1056270), (274, 1017720), (330, 845016), (360, 774598), (396, 704180), (411, 678480), (440, 633762), (495, 563344), (514, 542520), (528, 528135), (548, 508860), (660, 422508), (685, 407088), (720, 387299), (771, 361680), (792, 352090), (822, 339240), (880, 316881), (990, 281672), (1028, 271260), (1096, 254430), (1233, 226160), (1285, 217008), (1320, 211254), (1370, 203544), (1507, 185040), (1542, 180840), (1584, 176045), (1644, 169620), (1980, 140836), (2055, 135696), (2056, 135630), (2192, 127215), (2313, 120560), (2466, 113080), (2570, 108504), (2640, 105627), (2740, 101772), (2827, 98640), (3014, 92520), (3084, 90420), (3288, 84810), (3855, 72336), (3960, 70418), (4110, 67848), (4112, 67815), (4521, 61680), (4626, 60280), (4932, 56540), (5140, 54252), (5480, 50886), (5654, 49320), (6028, 46260), (6165, 45232), (6168, 45210), (6576, 42405), (7535, 37008), (7710, 36168), (7920, 35209), (8220, 33924), (8481, 32880), (9042, 30840), (9252, 30140), (9864, 28270), (10280, 27126), (10960, 25443), (11308, 24660), (11565, 24112), (12056, 23130), (12330, 22616), (12336, 22605), (13563, 20560), (14135, 19728), (15070, 18504), (15420, 18084), (16440, 16962)]