398154240

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1571}}^1$

素因数の和:1611

約数の個数: 240

約数和(自身を含む): 1505234016

約数和(自身を除く): 1107079776

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 256, 264, 288, 320, 330, 352, 360, 384, 396, 440, 480, 495, 512, 528, 576, 640, 660, 704, 720, 768, 792, 880, 960, 990, 1056, 1152, 1280, 1320, 1408, 1440, 1536, 1571, 1584, 1760, 1920, 1980, 2112, 2304, 2560, 2640, 2816, 2880, 3142, 3168, 3520, 3840, 3960, 4224, 4608, 4713, 5280, 5632, 5760, 6284, 6336, 7040, 7680, 7855, 7920, 8448, 9426, 10560, 11520, 12568, 12672, 14080, 14139, 15710, 15840, 16896, 17281, 18852, 21120, 23040, 23565, 25136, 25344, 28160, 28278, 31420, 31680, 34562, 37704, 42240, 47130, 50272, 50688, 51843, 56556, 62840, 63360, 69124, 70695, 75408, 84480, 86405, 94260, 100544, 103686, 113112, 125680, 126720, 138248, 141390, 150816, 155529, 172810, 188520, 201088, 207372, 226224, 251360, 253440, 259215, 276496, 282780, 301632, 311058, 345620, 377040, 402176, 414744, 452448, 502720, 518430, 552992, 565560, 603264, 622116, 691240, 754080, 777645, 804352, 829488, 904896, 1005440, 1036860, 1105984, 1131120, 1206528, 1244232, 1382480, 1508160, 1555290, 1658976, 1809792, 2010880, 2073720, 2211968, 2262240, 2413056, 2488464, 2764960, 3016320, 3110580, 3317952, 3619584, 4021760, 4147440, 4423936, 4524480, 4976928, 5529920, 6032640, 6221160, 6635904, 7239168, 8294880, 8847872, 9048960, 9953856, 11059840, 12065280, 12442320, 13271808, 16589760, 18097920, 19907712, 22119680, 24884640, 26543616, 33179520, 36195840, 39815424, 44239360, 49769280, 66359040, 79630848, 99538560, 132718080, 199077120, 398154240]

約数ペア:

[(1, 398154240), (2, 199077120), (3, 132718080), (4, 99538560), (5, 79630848), (6, 66359040), (8, 49769280), (9, 44239360), (10, 39815424), (11, 36195840), (12, 33179520), (15, 26543616), (16, 24884640), (18, 22119680), (20, 19907712), (22, 18097920), (24, 16589760), (30, 13271808), (32, 12442320), (33, 12065280), (36, 11059840), (40, 9953856), (44, 9048960), (45, 8847872), (48, 8294880), (55, 7239168), (60, 6635904), (64, 6221160), (66, 6032640), (72, 5529920), (80, 4976928), (88, 4524480), (90, 4423936), (96, 4147440), (99, 4021760), (110, 3619584), (120, 3317952), (128, 3110580), (132, 3016320), (144, 2764960), (160, 2488464), (165, 2413056), (176, 2262240), (180, 2211968), (192, 2073720), (198, 2010880), (220, 1809792), (240, 1658976), (256, 1555290), (264, 1508160), (288, 1382480), (320, 1244232), (330, 1206528), (352, 1131120), (360, 1105984), (384, 1036860), (396, 1005440), (440, 904896), (480, 829488), (495, 804352), (512, 777645), (528, 754080), (576, 691240), (640, 622116), (660, 603264), (704, 565560), (720, 552992), (768, 518430), (792, 502720), (880, 452448), (960, 414744), (990, 402176), (1056, 377040), (1152, 345620), (1280, 311058), (1320, 301632), (1408, 282780), (1440, 276496), (1536, 259215), (1571, 253440), (1584, 251360), (1760, 226224), (1920, 207372), (1980, 201088), (2112, 188520), (2304, 172810), (2560, 155529), (2640, 150816), (2816, 141390), (2880, 138248), (3142, 126720), (3168, 125680), (3520, 113112), (3840, 103686), (3960, 100544), (4224, 94260), (4608, 86405), (4713, 84480), (5280, 75408), (5632, 70695), (5760, 69124), (6284, 63360), (6336, 62840), (7040, 56556), (7680, 51843), (7855, 50688), (7920, 50272), (8448, 47130), (9426, 42240), (10560, 37704), (11520, 34562), (12568, 31680), (12672, 31420), (14080, 28278), (14139, 28160), (15710, 25344), (15840, 25136), (16896, 23565), (17281, 23040), (18852, 21120)]