256509120

素因数分解:

$2^6\times 3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:101

約数の個数: 448

約数和(自身を含む): 1024128000

約数和(自身を除く): 767618880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 41, 42, 48, 49, 56, 57, 60, 64, 70, 76, 80, 82, 84, 95, 96, 98, 105, 112, 114, 120, 123, 133, 140, 147, 152, 160, 164, 168, 190, 192, 196, 205, 210, 224, 228, 240, 245, 246, 266, 280, 285, 287, 294, 304, 320, 328, 336, 343, 380, 392, 399, 410, 420, 448, 456, 480, 490, 492, 532, 560, 570, 574, 588, 608, 615, 656, 665, 672, 686, 735, 760, 779, 784, 798, 820, 840, 861, 912, 931, 960, 980, 984, 1029, 1064, 1120, 1140, 1148, 1176, 1216, 1230, 1312, 1330, 1344, 1372, 1435, 1470, 1520, 1558, 1568, 1596, 1640, 1680, 1715, 1722, 1824, 1862, 1960, 1968, 1995, 2009, 2058, 2128, 2240, 2280, 2296, 2337, 2352, 2460, 2624, 2660, 2744, 2793, 2870, 2940, 3040, 3116, 3136, 3192, 3280, 3360, 3430, 3444, 3648, 3724, 3895, 3920, 3936, 3990, 4018, 4116, 4256, 4305, 4560, 4592, 4655, 4674, 4704, 4920, 5145, 5320, 5453, 5488, 5586, 5740, 5880, 6027, 6080, 6232, 6384, 6517, 6560, 6720, 6860, 6888, 7448, 7790, 7840, 7872, 7980, 8036, 8232, 8512, 8610, 9120, 9184, 9310, 9348, 9408, 9840, 10045, 10290, 10640, 10906, 10976, 11172, 11480, 11685, 11760, 12054, 12464, 12768, 13034, 13120, 13720, 13776, 13965, 14063, 14896, 15580, 15680, 15960, 16072, 16359, 16464, 17220, 18240, 18368, 18620, 18696, 19551, 19680, 20090, 20580, 21280, 21812, 21952, 22344, 22960, 23370, 23520, 24108, 24928, 25536, 26068, 27265, 27440, 27552, 27930, 28126, 29792, 30135, 31160, 31920, 32144, 32585, 32718, 32928, 34440, 37240, 37392, 38171, 39102, 39360, 40180, 41160, 42189, 42560, 43624, 44688, 45920, 46740, 47040, 48216, 49856, 52136, 54530, 54880, 55104, 55860, 56252, 59584, 60270, 62320, 63840, 64288, 65170, 65436, 65856, 68880, 70315, 74480, 74784, 76342, 78204, 80360, 81795, 82320, 84378, 87248, 89376, 91840, 93480, 96432, 97755, 104272, 109060, 109760, 111720, 112504, 114513, 120540, 124640, 127680, 128576, 130340, 130872, 137760, 140630, 148960, 149568, 152684, 156408, 160720, 163590, 164640, 168756, 174496, 178752, 186960, 190855, 192864, 195510, 208544, 210945, 218120, 223440, 225008, 229026, 241080, 249280, 260680, 261744, 267197, 275520, 281260, 297920, 305368, 312816, 321440, 327180, 329280, 337512, 348992, 373920, 381710, 385728, 391020, 417088, 421890, 436240, 446880, 450016, 458052, 482160, 521360, 523488, 534394, 562520, 572565, 610736, 625632, 642880, 654360, 675024, 747840, 763420, 782040, 801591, 843780, 872480, 893760, 900032, 916104, 964320, 1042720, 1046976, 1068788, 1125040, 1145130, 1221472, 1251264, 1308720, 1335985, 1350048, 1526840, 1564080, 1603182, 1687560, 1744960, 1832208, 1928640, 2085440, 2137576, 2250080, 2290260, 2442944, 2617440, 2671970, 2700096, 3053680, 3128160, 3206364, 3375120, 3664416, 4007955, 4275152, 4500160, 4580520, 5234880, 5343940, 6107360, 6256320, 6412728, 6750240, 7328832, 8015910, 8550304, 9161040, 10687880, 12214720, 12825456, 13500480, 16031820, 17100608, 18322080, 21375760, 25650912, 32063640, 36644160, 42751520, 51301824, 64127280, 85503040, 128254560, 256509120]

約数ペア:

[(1, 256509120), (2, 128254560), (3, 85503040), (4, 64127280), (5, 51301824), (6, 42751520), (7, 36644160), (8, 32063640), (10, 25650912), (12, 21375760), (14, 18322080), (15, 17100608), (16, 16031820), (19, 13500480), (20, 12825456), (21, 12214720), (24, 10687880), (28, 9161040), (30, 8550304), (32, 8015910), (35, 7328832), (38, 6750240), (40, 6412728), (41, 6256320), (42, 6107360), (48, 5343940), (49, 5234880), (56, 4580520), (57, 4500160), (60, 4275152), (64, 4007955), (70, 3664416), (76, 3375120), (80, 3206364), (82, 3128160), (84, 3053680), (95, 2700096), (96, 2671970), (98, 2617440), (105, 2442944), (112, 2290260), (114, 2250080), (120, 2137576), (123, 2085440), (133, 1928640), (140, 1832208), (147, 1744960), (152, 1687560), (160, 1603182), (164, 1564080), (168, 1526840), (190, 1350048), (192, 1335985), (196, 1308720), (205, 1251264), (210, 1221472), (224, 1145130), (228, 1125040), (240, 1068788), (245, 1046976), (246, 1042720), (266, 964320), (280, 916104), (285, 900032), (287, 893760), (294, 872480), (304, 843780), (320, 801591), (328, 782040), (336, 763420), (343, 747840), (380, 675024), (392, 654360), (399, 642880), (410, 625632), (420, 610736), (448, 572565), (456, 562520), (480, 534394), (490, 523488), (492, 521360), (532, 482160), (560, 458052), (570, 450016), (574, 446880), (588, 436240), (608, 421890), (615, 417088), (656, 391020), (665, 385728), (672, 381710), (686, 373920), (735, 348992), (760, 337512), (779, 329280), (784, 327180), (798, 321440), (820, 312816), (840, 305368), (861, 297920), (912, 281260), (931, 275520), (960, 267197), (980, 261744), (984, 260680), (1029, 249280), (1064, 241080), (1120, 229026), (1140, 225008), (1148, 223440), (1176, 218120), (1216, 210945), (1230, 208544), (1312, 195510), (1330, 192864), (1344, 190855), (1372, 186960), (1435, 178752), (1470, 174496), (1520, 168756), (1558, 164640), (1568, 163590), (1596, 160720), (1640, 156408), (1680, 152684), (1715, 149568), (1722, 148960), (1824, 140630), (1862, 137760), (1960, 130872), (1968, 130340), (1995, 128576), (2009, 127680), (2058, 124640), (2128, 120540), (2240, 114513), (2280, 112504), (2296, 111720), (2337, 109760), (2352, 109060), (2460, 104272), (2624, 97755), (2660, 96432), (2744, 93480), (2793, 91840), (2870, 89376), (2940, 87248), (3040, 84378), (3116, 82320), (3136, 81795), (3192, 80360), (3280, 78204), (3360, 76342), (3430, 74784), (3444, 74480), (3648, 70315), (3724, 68880), (3895, 65856), (3920, 65436), (3936, 65170), (3990, 64288), (4018, 63840), (4116, 62320), (4256, 60270), (4305, 59584), (4560, 56252), (4592, 55860), (4655, 55104), (4674, 54880), (4704, 54530), (4920, 52136), (5145, 49856), (5320, 48216), (5453, 47040), (5488, 46740), (5586, 45920), (5740, 44688), (5880, 43624), (6027, 42560), (6080, 42189), (6232, 41160), (6384, 40180), (6517, 39360), (6560, 39102), (6720, 38171), (6860, 37392), (6888, 37240), (7448, 34440), (7790, 32928), (7840, 32718), (7872, 32585), (7980, 32144), (8036, 31920), (8232, 31160), (8512, 30135), (8610, 29792), (9120, 28126), (9184, 27930), (9310, 27552), (9348, 27440), (9408, 27265), (9840, 26068), (10045, 25536), (10290, 24928), (10640, 24108), (10906, 23520), (10976, 23370), (11172, 22960), (11480, 22344), (11685, 21952), (11760, 21812), (12054, 21280), (12464, 20580), (12768, 20090), (13034, 19680), (13120, 19551), (13720, 18696), (13776, 18620), (13965, 18368), (14063, 18240), (14896, 17220), (15580, 16464), (15680, 16359), (15960, 16072)]