660464640

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1303}}^1$

素因数の和:1345

約数の個数: 264

約数和(自身を含む): 2498453568

約数和(自身を除く): 1837988928

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, 1024, 1056, 1152, 1280, 1303, 1320, 1408, 1440, 1536, 1584, 1760, 1920, 1980, 2112, 2304, 2560, 2606, 2640, 2816, 2880, 3072, 3168, 3520, 3840, 3909, 3960, 4224, 4608, 5120, 5212, 5280, 5632, 5760, 6336, 6515, 7040, 7680, 7818, 7920, 8448, 9216, 10424, 10560, 11264, 11520, 11727, 12672, 13030, 14080, 14333, 15360, 15636, 15840, 16896, 19545, 20848, 21120, 23040, 23454, 25344, 26060, 28160, 28666, 31272, 31680, 33792, 39090, 41696, 42240, 42999, 46080, 46908, 50688, 52120, 56320, 57332, 58635, 62544, 63360, 71665, 78180, 83392, 84480, 85998, 93816, 101376, 104240, 114664, 117270, 125088, 126720, 128997, 143330, 156360, 166784, 168960, 171996, 187632, 208480, 214995, 229328, 234540, 250176, 253440, 257994, 286660, 312720, 333568, 343992, 375264, 416960, 429990, 458656, 469080, 500352, 506880, 515988, 573320, 625440, 644985, 667136, 687984, 750528, 833920, 859980, 917312, 938160, 1000704, 1031976, 1146640, 1250880, 1289970, 1334272, 1375968, 1501056, 1667840, 1719960, 1834624, 1876320, 2001408, 2063952, 2293280, 2501760, 2579940, 2751936, 3002112, 3335680, 3439920, 3669248, 3752640, 4002816, 4127904, 4586560, 5003520, 5159880, 5503872, 6004224, 6671360, 6879840, 7338496, 7505280, 8255808, 9173120, 10007040, 10319760, 11007744, 12008448, 13759680, 14676992, 15010560, 16511616, 18346240, 20014080, 20639520, 22015488, 27519360, 30021120, 33023232, 36692480, 41279040, 44030976, 55038720, 60042240, 66046464, 73384960, 82558080, 110077440, 132092928, 165116160, 220154880, 330232320, 660464640]

約数ペア:

[(1, 660464640), (2, 330232320), (3, 220154880), (4, 165116160), (5, 132092928), (6, 110077440), (8, 82558080), (9, 73384960), (10, 66046464), (11, 60042240), (12, 55038720), (15, 44030976), (16, 41279040), (18, 36692480), (20, 33023232), (22, 30021120), (24, 27519360), (30, 22015488), (32, 20639520), (33, 20014080), (36, 18346240), (40, 16511616), (44, 15010560), (45, 14676992), (48, 13759680), (55, 12008448), (60, 11007744), (64, 10319760), (66, 10007040), (72, 9173120), (80, 8255808), (88, 7505280), (90, 7338496), (96, 6879840), (99, 6671360), (110, 6004224), (120, 5503872), (128, 5159880), (132, 5003520), (144, 4586560), (160, 4127904), (165, 4002816), (176, 3752640), (180, 3669248), (192, 3439920), (198, 3335680), (220, 3002112), (240, 2751936), (256, 2579940), (264, 2501760), (288, 2293280), (320, 2063952), (330, 2001408), (352, 1876320), (360, 1834624), (384, 1719960), (396, 1667840), (440, 1501056), (480, 1375968), (495, 1334272), (512, 1289970), (528, 1250880), (576, 1146640), (640, 1031976), (660, 1000704), (704, 938160), (720, 917312), (768, 859980), (792, 833920), (880, 750528), (960, 687984), (990, 667136), (1024, 644985), (1056, 625440), (1152, 573320), (1280, 515988), (1303, 506880), (1320, 500352), (1408, 469080), (1440, 458656), (1536, 429990), (1584, 416960), (1760, 375264), (1920, 343992), (1980, 333568), (2112, 312720), (2304, 286660), (2560, 257994), (2606, 253440), (2640, 250176), (2816, 234540), (2880, 229328), (3072, 214995), (3168, 208480), (3520, 187632), (3840, 171996), (3909, 168960), (3960, 166784), (4224, 156360), (4608, 143330), (5120, 128997), (5212, 126720), (5280, 125088), (5632, 117270), (5760, 114664), (6336, 104240), (6515, 101376), (7040, 93816), (7680, 85998), (7818, 84480), (7920, 83392), (8448, 78180), (9216, 71665), (10424, 63360), (10560, 62544), (11264, 58635), (11520, 57332), (11727, 56320), (12672, 52120), (13030, 50688), (14080, 46908), (14333, 46080), (15360, 42999), (15636, 42240), (15840, 41696), (16896, 39090), (19545, 33792), (20848, 31680), (21120, 31272), (23040, 28666), (23454, 28160), (25344, 26060)]