1279839960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:228

約数の個数: 512

約数和(自身を含む): 5190451200

約数和(自身を除く): 3910611240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 43, 45, 54, 56, 60, 62, 63, 70, 72, 84, 86, 90, 93, 105, 108, 120, 124, 126, 127, 129, 135, 140, 155, 168, 172, 180, 186, 189, 210, 215, 216, 217, 248, 252, 254, 258, 270, 279, 280, 301, 310, 315, 344, 360, 372, 378, 381, 387, 420, 430, 434, 465, 504, 508, 516, 540, 558, 602, 620, 630, 635, 645, 651, 744, 756, 762, 774, 837, 840, 860, 868, 889, 903, 930, 945, 1016, 1032, 1080, 1085, 1116, 1143, 1161, 1204, 1240, 1260, 1270, 1290, 1302, 1333, 1395, 1505, 1512, 1524, 1548, 1674, 1720, 1736, 1778, 1806, 1860, 1890, 1905, 1935, 1953, 2170, 2232, 2286, 2322, 2408, 2520, 2540, 2580, 2604, 2666, 2667, 2709, 2790, 3010, 3048, 3096, 3255, 3348, 3429, 3556, 3612, 3720, 3780, 3810, 3870, 3906, 3937, 3999, 4185, 4340, 4445, 4515, 4572, 4644, 5080, 5160, 5208, 5332, 5334, 5418, 5461, 5580, 5715, 5805, 5859, 6020, 6510, 6665, 6696, 6858, 7112, 7224, 7560, 7620, 7740, 7812, 7874, 7998, 8001, 8127, 8370, 8680, 8890, 9030, 9144, 9288, 9331, 9765, 10664, 10668, 10836, 10922, 11160, 11430, 11610, 11718, 11811, 11997, 12040, 13020, 13330, 13335, 13545, 13716, 15240, 15480, 15624, 15748, 15996, 16002, 16254, 16383, 16740, 17145, 17780, 18060, 18662, 19530, 19685, 19995, 21336, 21672, 21844, 22860, 23220, 23436, 23622, 23994, 24003, 26040, 26660, 26670, 27090, 27305, 27432, 27559, 27993, 29295, 31496, 31992, 32004, 32508, 32766, 33480, 34290, 35433, 35560, 35991, 36120, 37324, 38227, 39060, 39370, 39990, 40005, 40635, 43688, 45720, 46440, 46655, 46872, 47244, 47988, 48006, 49149, 53320, 53340, 54180, 54610, 55118, 55986, 58590, 59055, 59985, 64008, 65016, 65532, 68580, 70866, 71982, 74648, 76454, 78120, 78740, 79980, 80010, 81270, 81915, 82677, 83979, 93310, 94488, 95976, 96012, 98298, 106299, 106680, 108360, 109220, 110236, 111972, 114681, 117180, 118110, 119970, 120015, 131064, 137160, 137795, 139965, 141732, 143964, 147447, 152908, 157480, 159960, 160020, 162540, 163830, 165354, 167958, 169291, 177165, 179955, 186620, 191135, 192024, 196596, 212598, 218440, 220472, 223944, 229362, 234360, 236220, 239940, 240030, 245745, 248031, 251937, 275590, 279930, 283464, 287928, 294894, 305816, 320040, 325080, 327660, 330708, 335916, 338582, 344043, 354330, 359910, 373240, 382270, 393192, 413385, 419895, 425196, 458724, 472440, 479880, 480060, 491490, 496062, 503874, 507873, 531495, 551180, 559860, 573405, 589788, 655320, 661416, 671832, 677164, 688086, 708660, 719820, 737235, 744093, 764540, 826770, 839790, 846455, 850392, 917448, 960120, 982980, 992124, 1007748, 1015746, 1032129, 1062990, 1102360, 1119720, 1146810, 1179576, 1185037, 1240155, 1259685, 1354328, 1376172, 1417320, 1439640, 1474470, 1488186, 1523619, 1529080, 1653540, 1679580, 1692910, 1720215, 1965960, 1984248, 2015496, 2031492, 2064258, 2125980, 2293620, 2370074, 2480310, 2519370, 2539365, 2752344, 2948940, 2976372, 3047238, 3307080, 3359160, 3385820, 3440430, 3555111, 3720465, 4062984, 4128516, 4251960, 4570857, 4587240, 4740148, 4960620, 5038740, 5078730, 5160645, 5897880, 5925185, 5952744, 6094476, 6771640, 6880860, 7110222, 7440930, 7618095, 8257032, 9141714, 9480296, 9921240, 10077480, 10157460, 10321290, 10665333, 11850370, 12188952, 13761720, 14220444, 14881860, 15236190, 17775555, 18283428, 20314920, 20642580, 21330666, 22854285, 23700740, 28440888, 29763720, 30472380, 31995999, 35551110, 36566856, 41285160, 42661332, 45708570, 47401480, 53326665, 60944760, 63991998, 71102220, 85322664, 91417140, 106653330, 127983996, 142204440, 159979995, 182834280, 213306660, 255967992, 319959990, 426613320, 639919980, 1279839960]

約数ペア:

[(1, 1279839960), (2, 639919980), (3, 426613320), (4, 319959990), (5, 255967992), (6, 213306660), (7, 182834280), (8, 159979995), (9, 142204440), (10, 127983996), (12, 106653330), (14, 91417140), (15, 85322664), (18, 71102220), (20, 63991998), (21, 60944760), (24, 53326665), (27, 47401480), (28, 45708570), (30, 42661332), (31, 41285160), (35, 36566856), (36, 35551110), (40, 31995999), (42, 30472380), (43, 29763720), (45, 28440888), (54, 23700740), (56, 22854285), (60, 21330666), (62, 20642580), (63, 20314920), (70, 18283428), (72, 17775555), (84, 15236190), (86, 14881860), (90, 14220444), (93, 13761720), (105, 12188952), (108, 11850370), (120, 10665333), (124, 10321290), (126, 10157460), (127, 10077480), (129, 9921240), (135, 9480296), (140, 9141714), (155, 8257032), (168, 7618095), (172, 7440930), (180, 7110222), (186, 6880860), (189, 6771640), (210, 6094476), (215, 5952744), (216, 5925185), (217, 5897880), (248, 5160645), (252, 5078730), (254, 5038740), (258, 4960620), (270, 4740148), (279, 4587240), (280, 4570857), (301, 4251960), (310, 4128516), (315, 4062984), (344, 3720465), (360, 3555111), (372, 3440430), (378, 3385820), (381, 3359160), (387, 3307080), (420, 3047238), (430, 2976372), (434, 2948940), (465, 2752344), (504, 2539365), (508, 2519370), (516, 2480310), (540, 2370074), (558, 2293620), (602, 2125980), (620, 2064258), (630, 2031492), (635, 2015496), (645, 1984248), (651, 1965960), (744, 1720215), (756, 1692910), (762, 1679580), (774, 1653540), (837, 1529080), (840, 1523619), (860, 1488186), (868, 1474470), (889, 1439640), (903, 1417320), (930, 1376172), (945, 1354328), (1016, 1259685), (1032, 1240155), (1080, 1185037), (1085, 1179576), (1116, 1146810), (1143, 1119720), (1161, 1102360), (1204, 1062990), (1240, 1032129), (1260, 1015746), (1270, 1007748), (1290, 992124), (1302, 982980), (1333, 960120), (1395, 917448), (1505, 850392), (1512, 846455), (1524, 839790), (1548, 826770), (1674, 764540), (1720, 744093), (1736, 737235), (1778, 719820), (1806, 708660), (1860, 688086), (1890, 677164), (1905, 671832), (1935, 661416), (1953, 655320), (2170, 589788), (2232, 573405), (2286, 559860), (2322, 551180), (2408, 531495), (2520, 507873), (2540, 503874), (2580, 496062), (2604, 491490), (2666, 480060), (2667, 479880), (2709, 472440), (2790, 458724), (3010, 425196), (3048, 419895), (3096, 413385), (3255, 393192), (3348, 382270), (3429, 373240), (3556, 359910), (3612, 354330), (3720, 344043), (3780, 338582), (3810, 335916), (3870, 330708), (3906, 327660), (3937, 325080), (3999, 320040), (4185, 305816), (4340, 294894), (4445, 287928), (4515, 283464), (4572, 279930), (4644, 275590), (5080, 251937), (5160, 248031), (5208, 245745), (5332, 240030), (5334, 239940), (5418, 236220), (5461, 234360), (5580, 229362), (5715, 223944), (5805, 220472), (5859, 218440), (6020, 212598), (6510, 196596), (6665, 192024), (6696, 191135), (6858, 186620), (7112, 179955), (7224, 177165), (7560, 169291), (7620, 167958), (7740, 165354), (7812, 163830), (7874, 162540), (7998, 160020), (8001, 159960), (8127, 157480), (8370, 152908), (8680, 147447), (8890, 143964), (9030, 141732), (9144, 139965), (9288, 137795), (9331, 137160), (9765, 131064), (10664, 120015), (10668, 119970), (10836, 118110), (10922, 117180), (11160, 114681), (11430, 111972), (11610, 110236), (11718, 109220), (11811, 108360), (11997, 106680), (12040, 106299), (13020, 98298), (13330, 96012), (13335, 95976), (13545, 94488), (13716, 93310), (15240, 83979), (15480, 82677), (15624, 81915), (15748, 81270), (15996, 80010), (16002, 79980), (16254, 78740), (16383, 78120), (16740, 76454), (17145, 74648), (17780, 71982), (18060, 70866), (18662, 68580), (19530, 65532), (19685, 65016), (19995, 64008), (21336, 59985), (21672, 59055), (21844, 58590), (22860, 55986), (23220, 55118), (23436, 54610), (23622, 54180), (23994, 53340), (24003, 53320), (26040, 49149), (26660, 48006), (26670, 47988), (27090, 47244), (27305, 46872), (27432, 46655), (27559, 46440), (27993, 45720), (29295, 43688), (31496, 40635), (31992, 40005), (32004, 39990), (32508, 39370), (32766, 39060), (33480, 38227), (34290, 37324), (35433, 36120), (35560, 35991)]