257035680

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{601}}^1$

素因数の和:642

約数の個数: 288

約数和(自身を含む): 993964608

約数和(自身を除く): 736928928

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 81, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 162, 165, 176, 180, 198, 216, 220, 240, 243, 264, 270, 288, 297, 324, 330, 352, 360, 396, 405, 432, 440, 480, 486, 495, 528, 540, 594, 601, 648, 660, 720, 792, 810, 864, 880, 891, 972, 990, 1056, 1080, 1188, 1202, 1215, 1296, 1320, 1440, 1485, 1584, 1620, 1760, 1782, 1803, 1944, 1980, 2160, 2376, 2404, 2430, 2592, 2640, 2673, 2970, 3005, 3168, 3240, 3564, 3606, 3888, 3960, 4320, 4455, 4752, 4808, 4860, 5280, 5346, 5409, 5940, 6010, 6480, 6611, 7128, 7212, 7776, 7920, 8910, 9015, 9504, 9616, 9720, 10692, 10818, 11880, 12020, 12960, 13222, 13365, 14256, 14424, 15840, 16227, 17820, 18030, 19232, 19440, 19833, 21384, 21636, 23760, 24040, 26444, 26730, 27045, 28512, 28848, 32454, 33055, 35640, 36060, 38880, 39666, 42768, 43272, 47520, 48080, 48681, 52888, 53460, 54090, 57696, 59499, 64908, 66110, 71280, 72120, 79332, 81135, 85536, 86544, 96160, 97362, 99165, 105776, 106920, 108180, 118998, 129816, 132220, 142560, 144240, 146043, 158664, 162270, 173088, 178497, 194724, 198330, 211552, 213840, 216360, 237996, 243405, 259632, 264440, 288480, 292086, 297495, 317328, 324540, 356994, 389448, 396660, 427680, 432720, 475992, 486810, 519264, 528880, 535491, 584172, 594990, 634656, 649080, 713988, 730215, 778896, 793320, 865440, 892485, 951984, 973620, 1057760, 1070982, 1168344, 1189980, 1298160, 1427976, 1460430, 1557792, 1586640, 1606473, 1784970, 1903968, 1947240, 2141964, 2336688, 2379960, 2596320, 2677455, 2855952, 2920860, 3173280, 3212946, 3569940, 3894480, 4283928, 4673376, 4759920, 5354910, 5711904, 5841720, 6425892, 7139880, 7788960, 8032365, 8567856, 9519840, 10709820, 11683440, 12851784, 14279760, 16064730, 17135712, 21419640, 23366880, 25703568, 28559520, 32129460, 42839280, 51407136, 64258920, 85678560, 128517840, 257035680]

約数ペア:

[(1, 257035680), (2, 128517840), (3, 85678560), (4, 64258920), (5, 51407136), (6, 42839280), (8, 32129460), (9, 28559520), (10, 25703568), (11, 23366880), (12, 21419640), (15, 17135712), (16, 16064730), (18, 14279760), (20, 12851784), (22, 11683440), (24, 10709820), (27, 9519840), (30, 8567856), (32, 8032365), (33, 7788960), (36, 7139880), (40, 6425892), (44, 5841720), (45, 5711904), (48, 5354910), (54, 4759920), (55, 4673376), (60, 4283928), (66, 3894480), (72, 3569940), (80, 3212946), (81, 3173280), (88, 2920860), (90, 2855952), (96, 2677455), (99, 2596320), (108, 2379960), (110, 2336688), (120, 2141964), (132, 1947240), (135, 1903968), (144, 1784970), (160, 1606473), (162, 1586640), (165, 1557792), (176, 1460430), (180, 1427976), (198, 1298160), (216, 1189980), (220, 1168344), (240, 1070982), (243, 1057760), (264, 973620), (270, 951984), (288, 892485), (297, 865440), (324, 793320), (330, 778896), (352, 730215), (360, 713988), (396, 649080), (405, 634656), (432, 594990), (440, 584172), (480, 535491), (486, 528880), (495, 519264), (528, 486810), (540, 475992), (594, 432720), (601, 427680), (648, 396660), (660, 389448), (720, 356994), (792, 324540), (810, 317328), (864, 297495), (880, 292086), (891, 288480), (972, 264440), (990, 259632), (1056, 243405), (1080, 237996), (1188, 216360), (1202, 213840), (1215, 211552), (1296, 198330), (1320, 194724), (1440, 178497), (1485, 173088), (1584, 162270), (1620, 158664), (1760, 146043), (1782, 144240), (1803, 142560), (1944, 132220), (1980, 129816), (2160, 118998), (2376, 108180), (2404, 106920), (2430, 105776), (2592, 99165), (2640, 97362), (2673, 96160), (2970, 86544), (3005, 85536), (3168, 81135), (3240, 79332), (3564, 72120), (3606, 71280), (3888, 66110), (3960, 64908), (4320, 59499), (4455, 57696), (4752, 54090), (4808, 53460), (4860, 52888), (5280, 48681), (5346, 48080), (5409, 47520), (5940, 43272), (6010, 42768), (6480, 39666), (6611, 38880), (7128, 36060), (7212, 35640), (7776, 33055), (7920, 32454), (8910, 28848), (9015, 28512), (9504, 27045), (9616, 26730), (9720, 26444), (10692, 24040), (10818, 23760), (11880, 21636), (12020, 21384), (12960, 19833), (13222, 19440), (13365, 19232), (14256, 18030), (14424, 17820), (15840, 16227)]