639406992

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:246

約数の個数: 320

約数和(自身を含む): 2166718464

約数和(自身を除く): 1527311472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 23, 24, 28, 31, 34, 42, 46, 48, 51, 56, 62, 68, 69, 84, 92, 93, 102, 112, 119, 124, 136, 138, 157, 161, 168, 184, 186, 204, 217, 238, 248, 272, 276, 314, 322, 336, 357, 368, 372, 391, 408, 434, 471, 476, 483, 496, 527, 552, 628, 644, 651, 713, 714, 744, 782, 816, 868, 942, 952, 966, 1054, 1099, 1104, 1173, 1256, 1288, 1302, 1426, 1428, 1488, 1564, 1581, 1736, 1884, 1904, 1932, 2108, 2139, 2198, 2346, 2512, 2576, 2604, 2669, 2737, 2852, 2856, 3128, 3162, 3297, 3472, 3611, 3689, 3768, 3864, 4216, 4278, 4396, 4692, 4867, 4991, 5208, 5338, 5474, 5704, 5712, 6256, 6324, 6594, 7222, 7378, 7536, 7728, 8007, 8211, 8432, 8556, 8792, 9384, 9734, 9982, 10416, 10676, 10833, 10948, 11067, 11408, 12121, 12648, 13188, 14444, 14601, 14756, 14973, 16014, 16422, 17112, 17584, 18683, 18768, 19468, 19964, 21352, 21666, 21896, 22134, 24242, 25277, 25296, 26376, 28888, 29202, 29512, 29946, 32028, 32844, 34069, 34224, 36363, 37366, 38936, 39928, 42704, 43332, 43792, 44268, 48484, 50554, 52752, 56049, 57776, 58404, 59024, 59892, 61387, 64056, 65688, 68138, 72726, 74732, 75831, 77872, 79856, 82739, 84847, 86664, 88536, 96968, 101108, 102207, 111941, 112098, 116808, 119784, 122774, 128112, 131376, 136276, 145452, 149464, 151662, 165478, 169694, 173328, 177072, 184161, 193936, 202216, 204414, 223882, 224196, 233616, 239568, 245548, 248217, 254541, 272552, 290904, 298928, 303324, 330956, 335823, 339388, 368322, 404432, 408828, 429709, 447764, 448392, 491096, 496434, 509082, 545104, 579173, 581808, 606648, 661912, 671646, 678776, 736644, 783587, 817656, 859418, 895528, 896784, 982192, 992868, 1018164, 1158346, 1213296, 1289127, 1323824, 1343292, 1357552, 1473288, 1567174, 1635312, 1718836, 1737519, 1791056, 1902997, 1985736, 2036328, 2316692, 2350761, 2578254, 2686584, 2946576, 3134348, 3437672, 3475038, 3805994, 3971472, 4072656, 4633384, 4701522, 5156508, 5373168, 5708991, 6268696, 6875344, 6950076, 7611988, 9266768, 9403044, 10313016, 11417982, 12537392, 13320979, 13900152, 15223976, 18806088, 20626032, 22835964, 26641958, 27800304, 30447952, 37612176, 39962937, 45671928, 53283916, 79925874, 91343856, 106567832, 159851748, 213135664, 319703496, 639406992]

約数ペア:

[(1, 639406992), (2, 319703496), (3, 213135664), (4, 159851748), (6, 106567832), (7, 91343856), (8, 79925874), (12, 53283916), (14, 45671928), (16, 39962937), (17, 37612176), (21, 30447952), (23, 27800304), (24, 26641958), (28, 22835964), (31, 20626032), (34, 18806088), (42, 15223976), (46, 13900152), (48, 13320979), (51, 12537392), (56, 11417982), (62, 10313016), (68, 9403044), (69, 9266768), (84, 7611988), (92, 6950076), (93, 6875344), (102, 6268696), (112, 5708991), (119, 5373168), (124, 5156508), (136, 4701522), (138, 4633384), (157, 4072656), (161, 3971472), (168, 3805994), (184, 3475038), (186, 3437672), (204, 3134348), (217, 2946576), (238, 2686584), (248, 2578254), (272, 2350761), (276, 2316692), (314, 2036328), (322, 1985736), (336, 1902997), (357, 1791056), (368, 1737519), (372, 1718836), (391, 1635312), (408, 1567174), (434, 1473288), (471, 1357552), (476, 1343292), (483, 1323824), (496, 1289127), (527, 1213296), (552, 1158346), (628, 1018164), (644, 992868), (651, 982192), (713, 896784), (714, 895528), (744, 859418), (782, 817656), (816, 783587), (868, 736644), (942, 678776), (952, 671646), (966, 661912), (1054, 606648), (1099, 581808), (1104, 579173), (1173, 545104), (1256, 509082), (1288, 496434), (1302, 491096), (1426, 448392), (1428, 447764), (1488, 429709), (1564, 408828), (1581, 404432), (1736, 368322), (1884, 339388), (1904, 335823), (1932, 330956), (2108, 303324), (2139, 298928), (2198, 290904), (2346, 272552), (2512, 254541), (2576, 248217), (2604, 245548), (2669, 239568), (2737, 233616), (2852, 224196), (2856, 223882), (3128, 204414), (3162, 202216), (3297, 193936), (3472, 184161), (3611, 177072), (3689, 173328), (3768, 169694), (3864, 165478), (4216, 151662), (4278, 149464), (4396, 145452), (4692, 136276), (4867, 131376), (4991, 128112), (5208, 122774), (5338, 119784), (5474, 116808), (5704, 112098), (5712, 111941), (6256, 102207), (6324, 101108), (6594, 96968), (7222, 88536), (7378, 86664), (7536, 84847), (7728, 82739), (8007, 79856), (8211, 77872), (8432, 75831), (8556, 74732), (8792, 72726), (9384, 68138), (9734, 65688), (9982, 64056), (10416, 61387), (10676, 59892), (10833, 59024), (10948, 58404), (11067, 57776), (11408, 56049), (12121, 52752), (12648, 50554), (13188, 48484), (14444, 44268), (14601, 43792), (14756, 43332), (14973, 42704), (16014, 39928), (16422, 38936), (17112, 37366), (17584, 36363), (18683, 34224), (18768, 34069), (19468, 32844), (19964, 32028), (21352, 29946), (21666, 29512), (21896, 29202), (22134, 28888), (24242, 26376), (25277, 25296)]