639263664

素因数分解:

$2^4\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2049

約数の個数: 200

約数和(自身を含む): 2098459440

約数和(自身を除く): 1459195776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 27, 36, 38, 39, 48, 52, 54, 57, 72, 76, 78, 81, 104, 108, 114, 117, 144, 152, 156, 162, 171, 208, 216, 228, 234, 247, 304, 312, 324, 342, 351, 432, 456, 468, 494, 513, 624, 648, 684, 702, 741, 912, 936, 988, 1026, 1053, 1296, 1368, 1404, 1482, 1539, 1872, 1976, 1997, 2052, 2106, 2223, 2736, 2808, 2964, 3078, 3952, 3994, 4104, 4212, 4446, 5616, 5928, 5991, 6156, 6669, 7988, 8208, 8424, 8892, 11856, 11982, 12312, 13338, 15976, 16848, 17784, 17973, 20007, 23964, 24624, 25961, 26676, 31952, 35568, 35946, 37943, 40014, 47928, 51922, 53352, 53919, 71892, 75886, 77883, 80028, 95856, 103844, 106704, 107838, 113829, 143784, 151772, 155766, 160056, 161757, 207688, 215676, 227658, 233649, 287568, 303544, 311532, 320112, 323514, 341487, 415376, 431352, 455316, 467298, 493259, 607088, 623064, 647028, 682974, 700947, 862704, 910632, 934596, 986518, 1024461, 1246128, 1294056, 1365948, 1401894, 1479777, 1821264, 1869192, 1973036, 2048922, 2102841, 2588112, 2731896, 2803788, 2959554, 3073383, 3738384, 3946072, 4097844, 4205682, 4439331, 5463792, 5607576, 5919108, 6146766, 7892144, 8195688, 8411364, 8878662, 11215152, 11838216, 12293532, 13317993, 16391376, 16822728, 17757324, 23676432, 24587064, 26635986, 33645456, 35514648, 39953979, 49174128, 53271972, 71029296, 79907958, 106543944, 159815916, 213087888, 319631832, 639263664]

約数ペア:

[(1, 639263664), (2, 319631832), (3, 213087888), (4, 159815916), (6, 106543944), (8, 79907958), (9, 71029296), (12, 53271972), (13, 49174128), (16, 39953979), (18, 35514648), (19, 33645456), (24, 26635986), (26, 24587064), (27, 23676432), (36, 17757324), (38, 16822728), (39, 16391376), (48, 13317993), (52, 12293532), (54, 11838216), (57, 11215152), (72, 8878662), (76, 8411364), (78, 8195688), (81, 7892144), (104, 6146766), (108, 5919108), (114, 5607576), (117, 5463792), (144, 4439331), (152, 4205682), (156, 4097844), (162, 3946072), (171, 3738384), (208, 3073383), (216, 2959554), (228, 2803788), (234, 2731896), (247, 2588112), (304, 2102841), (312, 2048922), (324, 1973036), (342, 1869192), (351, 1821264), (432, 1479777), (456, 1401894), (468, 1365948), (494, 1294056), (513, 1246128), (624, 1024461), (648, 986518), (684, 934596), (702, 910632), (741, 862704), (912, 700947), (936, 682974), (988, 647028), (1026, 623064), (1053, 607088), (1296, 493259), (1368, 467298), (1404, 455316), (1482, 431352), (1539, 415376), (1872, 341487), (1976, 323514), (1997, 320112), (2052, 311532), (2106, 303544), (2223, 287568), (2736, 233649), (2808, 227658), (2964, 215676), (3078, 207688), (3952, 161757), (3994, 160056), (4104, 155766), (4212, 151772), (4446, 143784), (5616, 113829), (5928, 107838), (5991, 106704), (6156, 103844), (6669, 95856), (7988, 80028), (8208, 77883), (8424, 75886), (8892, 71892), (11856, 53919), (11982, 53352), (12312, 51922), (13338, 47928), (15976, 40014), (16848, 37943), (17784, 35946), (17973, 35568), (20007, 31952), (23964, 26676), (24624, 25961)]