256908960

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{331}}^1$

素因数の和:377

約数の個数: 432

約数和(自身を含む): 1115910432

約数和(自身を除く): 859001472

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, 32, 33, 35, 36, 40, 42, 44, 45, 48, 49, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 96, 98, 99, 105, 110, 112, 120, 126, 132, 140, 144, 147, 154, 160, 165, 168, 176, 180, 196, 198, 210, 220, 224, 231, 240, 245, 252, 264, 280, 288, 294, 308, 315, 330, 331, 336, 352, 360, 385, 392, 396, 420, 440, 441, 462, 480, 490, 495, 504, 528, 539, 560, 588, 616, 630, 660, 662, 672, 693, 720, 735, 770, 784, 792, 840, 880, 882, 924, 980, 990, 993, 1008, 1056, 1078, 1120, 1155, 1176, 1232, 1260, 1320, 1324, 1386, 1440, 1470, 1540, 1568, 1584, 1617, 1655, 1680, 1760, 1764, 1848, 1960, 1980, 1986, 2016, 2156, 2205, 2310, 2317, 2352, 2464, 2520, 2640, 2648, 2695, 2772, 2940, 2979, 3080, 3168, 3234, 3310, 3360, 3465, 3528, 3641, 3696, 3920, 3960, 3972, 4312, 4410, 4620, 4634, 4704, 4851, 4965, 5040, 5280, 5296, 5390, 5544, 5880, 5958, 6160, 6468, 6620, 6930, 6951, 7056, 7282, 7392, 7840, 7920, 7944, 8085, 8624, 8820, 9240, 9268, 9702, 9930, 10080, 10592, 10780, 10923, 11088, 11585, 11760, 11916, 12320, 12936, 13240, 13860, 13902, 14112, 14564, 14895, 15840, 15888, 16170, 16219, 17248, 17640, 18205, 18480, 18536, 19404, 19860, 20853, 21560, 21846, 22176, 23170, 23520, 23832, 24255, 25487, 25872, 26480, 27720, 27804, 29128, 29790, 31776, 32340, 32438, 32769, 34755, 35280, 36410, 36960, 37072, 38808, 39720, 41706, 43120, 43692, 46340, 47664, 48510, 48657, 50974, 51744, 52960, 54615, 55440, 55608, 58256, 59580, 64680, 64876, 65538, 69510, 70560, 72820, 74144, 76461, 77616, 79440, 81095, 83412, 86240, 87384, 92680, 95328, 97020, 97314, 101948, 104265, 109230, 110880, 111216, 116512, 119160, 127435, 129360, 129752, 131076, 139020, 145640, 145971, 152922, 155232, 158880, 162190, 163845, 166824, 174768, 178409, 185360, 194040, 194628, 203896, 208530, 218460, 222432, 229383, 238320, 243285, 254870, 258720, 259504, 262152, 278040, 291280, 291942, 305844, 324380, 327690, 333648, 349536, 356818, 370720, 382305, 388080, 389256, 407792, 417060, 436920, 458766, 476640, 486570, 509740, 519008, 524304, 535227, 556080, 582560, 583884, 611688, 648760, 655380, 667296, 713636, 729855, 764610, 776160, 778512, 815584, 834120, 873840, 892045, 917532, 973140, 1019480, 1048608, 1070454, 1112160, 1146915, 1167768, 1223376, 1297520, 1310760, 1427272, 1459710, 1529220, 1557024, 1605681, 1668240, 1747680, 1784090, 1835064, 1946280, 2038960, 2140908, 2293830, 2335536, 2446752, 2595040, 2621520, 2676135, 2854544, 2919420, 3058440, 3211362, 3336480, 3568180, 3670128, 3892560, 4077920, 4281816, 4587660, 4671072, 5243040, 5352270, 5709088, 5838840, 6116880, 6422724, 7136360, 7340256, 7785120, 8028405, 8563632, 9175320, 10704540, 11677680, 12233760, 12845448, 14272720, 16056810, 17127264, 18350640, 21409080, 23355360, 25690896, 28545440, 32113620, 36701280, 42818160, 51381792, 64227240, 85636320, 128454480, 256908960]

約数ペア:

[(1, 256908960), (2, 128454480), (3, 85636320), (4, 64227240), (5, 51381792), (6, 42818160), (7, 36701280), (8, 32113620), (9, 28545440), (10, 25690896), (11, 23355360), (12, 21409080), (14, 18350640), (15, 17127264), (16, 16056810), (18, 14272720), (20, 12845448), (21, 12233760), (22, 11677680), (24, 10704540), (28, 9175320), (30, 8563632), (32, 8028405), (33, 7785120), (35, 7340256), (36, 7136360), (40, 6422724), (42, 6116880), (44, 5838840), (45, 5709088), (48, 5352270), (49, 5243040), (55, 4671072), (56, 4587660), (60, 4281816), (63, 4077920), (66, 3892560), (70, 3670128), (72, 3568180), (77, 3336480), (80, 3211362), (84, 3058440), (88, 2919420), (90, 2854544), (96, 2676135), (98, 2621520), (99, 2595040), (105, 2446752), (110, 2335536), (112, 2293830), (120, 2140908), (126, 2038960), (132, 1946280), (140, 1835064), (144, 1784090), (147, 1747680), (154, 1668240), (160, 1605681), (165, 1557024), (168, 1529220), (176, 1459710), (180, 1427272), (196, 1310760), (198, 1297520), (210, 1223376), (220, 1167768), (224, 1146915), (231, 1112160), (240, 1070454), (245, 1048608), (252, 1019480), (264, 973140), (280, 917532), (288, 892045), (294, 873840), (308, 834120), (315, 815584), (330, 778512), (331, 776160), (336, 764610), (352, 729855), (360, 713636), (385, 667296), (392, 655380), (396, 648760), (420, 611688), (440, 583884), (441, 582560), (462, 556080), (480, 535227), (490, 524304), (495, 519008), (504, 509740), (528, 486570), (539, 476640), (560, 458766), (588, 436920), (616, 417060), (630, 407792), (660, 389256), (662, 388080), (672, 382305), (693, 370720), (720, 356818), (735, 349536), (770, 333648), (784, 327690), (792, 324380), (840, 305844), (880, 291942), (882, 291280), (924, 278040), (980, 262152), (990, 259504), (993, 258720), (1008, 254870), (1056, 243285), (1078, 238320), (1120, 229383), (1155, 222432), (1176, 218460), (1232, 208530), (1260, 203896), (1320, 194628), (1324, 194040), (1386, 185360), (1440, 178409), (1470, 174768), (1540, 166824), (1568, 163845), (1584, 162190), (1617, 158880), (1655, 155232), (1680, 152922), (1760, 145971), (1764, 145640), (1848, 139020), (1960, 131076), (1980, 129752), (1986, 129360), (2016, 127435), (2156, 119160), (2205, 116512), (2310, 111216), (2317, 110880), (2352, 109230), (2464, 104265), (2520, 101948), (2640, 97314), (2648, 97020), (2695, 95328), (2772, 92680), (2940, 87384), (2979, 86240), (3080, 83412), (3168, 81095), (3234, 79440), (3310, 77616), (3360, 76461), (3465, 74144), (3528, 72820), (3641, 70560), (3696, 69510), (3920, 65538), (3960, 64876), (3972, 64680), (4312, 59580), (4410, 58256), (4620, 55608), (4634, 55440), (4704, 54615), (4851, 52960), (4965, 51744), (5040, 50974), (5280, 48657), (5296, 48510), (5390, 47664), (5544, 46340), (5880, 43692), (5958, 43120), (6160, 41706), (6468, 39720), (6620, 38808), (6930, 37072), (6951, 36960), (7056, 36410), (7282, 35280), (7392, 34755), (7840, 32769), (7920, 32438), (7944, 32340), (8085, 31776), (8624, 29790), (8820, 29128), (9240, 27804), (9268, 27720), (9702, 26480), (9930, 25872), (10080, 25487), (10592, 24255), (10780, 23832), (10923, 23520), (11088, 23170), (11585, 22176), (11760, 21846), (11916, 21560), (12320, 20853), (12936, 19860), (13240, 19404), (13860, 18536), (13902, 18480), (14112, 18205), (14564, 17640), (14895, 17248), (15840, 16219), (15888, 16170)]