81426384

素因数分解:

$2^4\times 3^7\times {\mathrm{13}}^1\times {\mathrm{179}}^1$

素因数の和:221

約数の個数: 160

約数和(自身を含む): 256233600

約数和(自身を除く): 174807216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 81, 104, 108, 117, 144, 156, 162, 179, 208, 216, 234, 243, 312, 324, 351, 358, 432, 468, 486, 537, 624, 648, 702, 716, 729, 936, 972, 1053, 1074, 1296, 1404, 1432, 1458, 1611, 1872, 1944, 2106, 2148, 2187, 2327, 2808, 2864, 2916, 3159, 3222, 3888, 4212, 4296, 4374, 4654, 4833, 5616, 5832, 6318, 6444, 6981, 8424, 8592, 8748, 9308, 9477, 9666, 11664, 12636, 12888, 13962, 14499, 16848, 17496, 18616, 18954, 19332, 20943, 25272, 25776, 27924, 28431, 28998, 34992, 37232, 37908, 38664, 41886, 43497, 50544, 55848, 56862, 57996, 62829, 75816, 77328, 83772, 86994, 111696, 113724, 115992, 125658, 130491, 151632, 167544, 173988, 188487, 227448, 231984, 251316, 260982, 335088, 347976, 376974, 391473, 454896, 502632, 521964, 565461, 695952, 753948, 782946, 1005264, 1043928, 1130922, 1507896, 1565892, 1696383, 2087856, 2261844, 3015792, 3131784, 3392766, 4523688, 5089149, 6263568, 6785532, 9047376, 10178298, 13571064, 20356596, 27142128, 40713192, 81426384]

約数ペア:

[(1, 81426384), (2, 40713192), (3, 27142128), (4, 20356596), (6, 13571064), (8, 10178298), (9, 9047376), (12, 6785532), (13, 6263568), (16, 5089149), (18, 4523688), (24, 3392766), (26, 3131784), (27, 3015792), (36, 2261844), (39, 2087856), (48, 1696383), (52, 1565892), (54, 1507896), (72, 1130922), (78, 1043928), (81, 1005264), (104, 782946), (108, 753948), (117, 695952), (144, 565461), (156, 521964), (162, 502632), (179, 454896), (208, 391473), (216, 376974), (234, 347976), (243, 335088), (312, 260982), (324, 251316), (351, 231984), (358, 227448), (432, 188487), (468, 173988), (486, 167544), (537, 151632), (624, 130491), (648, 125658), (702, 115992), (716, 113724), (729, 111696), (936, 86994), (972, 83772), (1053, 77328), (1074, 75816), (1296, 62829), (1404, 57996), (1432, 56862), (1458, 55848), (1611, 50544), (1872, 43497), (1944, 41886), (2106, 38664), (2148, 37908), (2187, 37232), (2327, 34992), (2808, 28998), (2864, 28431), (2916, 27924), (3159, 25776), (3222, 25272), (3888, 20943), (4212, 19332), (4296, 18954), (4374, 18616), (4654, 17496), (4833, 16848), (5616, 14499), (5832, 13962), (6318, 12888), (6444, 12636), (6981, 11664), (8424, 9666), (8592, 9477), (8748, 9308)]