81107520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:197

約数の個数: 224

約数和(自身を含む): 284366208

約数和(自身を除く): 203258688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 67, 78, 80, 96, 97, 104, 120, 130, 134, 156, 160, 192, 194, 195, 201, 208, 240, 260, 268, 291, 312, 320, 335, 388, 390, 402, 416, 480, 485, 520, 536, 582, 624, 670, 776, 780, 804, 832, 871, 960, 970, 1005, 1040, 1072, 1164, 1248, 1261, 1340, 1455, 1552, 1560, 1608, 1742, 1940, 2010, 2080, 2144, 2328, 2496, 2522, 2613, 2680, 2910, 3104, 3120, 3216, 3484, 3783, 3880, 4020, 4160, 4288, 4355, 4656, 5044, 5226, 5360, 5820, 6208, 6240, 6305, 6432, 6499, 6968, 7566, 7760, 8040, 8710, 9312, 10088, 10452, 10720, 11640, 12480, 12610, 12864, 12998, 13065, 13936, 15132, 15520, 16080, 17420, 18624, 18915, 19497, 20176, 20904, 21440, 23280, 25220, 25996, 26130, 27872, 30264, 31040, 32160, 32495, 34840, 37830, 38994, 40352, 41808, 46560, 50440, 51992, 52260, 55744, 60528, 64320, 64990, 69680, 75660, 77988, 80704, 83616, 84487, 93120, 97485, 100880, 103984, 104520, 121056, 129980, 139360, 151320, 155976, 167232, 168974, 194970, 201760, 207968, 209040, 242112, 253461, 259960, 278720, 302640, 311952, 337948, 389940, 403520, 415936, 418080, 422435, 506922, 519920, 605280, 623904, 675896, 779880, 836160, 844870, 1013844, 1039840, 1210560, 1247808, 1267305, 1351792, 1559760, 1689740, 2027688, 2079680, 2534610, 2703584, 3119520, 3379480, 4055376, 5069220, 5407168, 6239040, 6758960, 8110752, 10138440, 13517920, 16221504, 20276880, 27035840, 40553760, 81107520]

約数ペア:

[(1, 81107520), (2, 40553760), (3, 27035840), (4, 20276880), (5, 16221504), (6, 13517920), (8, 10138440), (10, 8110752), (12, 6758960), (13, 6239040), (15, 5407168), (16, 5069220), (20, 4055376), (24, 3379480), (26, 3119520), (30, 2703584), (32, 2534610), (39, 2079680), (40, 2027688), (48, 1689740), (52, 1559760), (60, 1351792), (64, 1267305), (65, 1247808), (67, 1210560), (78, 1039840), (80, 1013844), (96, 844870), (97, 836160), (104, 779880), (120, 675896), (130, 623904), (134, 605280), (156, 519920), (160, 506922), (192, 422435), (194, 418080), (195, 415936), (201, 403520), (208, 389940), (240, 337948), (260, 311952), (268, 302640), (291, 278720), (312, 259960), (320, 253461), (335, 242112), (388, 209040), (390, 207968), (402, 201760), (416, 194970), (480, 168974), (485, 167232), (520, 155976), (536, 151320), (582, 139360), (624, 129980), (670, 121056), (776, 104520), (780, 103984), (804, 100880), (832, 97485), (871, 93120), (960, 84487), (970, 83616), (1005, 80704), (1040, 77988), (1072, 75660), (1164, 69680), (1248, 64990), (1261, 64320), (1340, 60528), (1455, 55744), (1552, 52260), (1560, 51992), (1608, 50440), (1742, 46560), (1940, 41808), (2010, 40352), (2080, 38994), (2144, 37830), (2328, 34840), (2496, 32495), (2522, 32160), (2613, 31040), (2680, 30264), (2910, 27872), (3104, 26130), (3120, 25996), (3216, 25220), (3484, 23280), (3783, 21440), (3880, 20904), (4020, 20176), (4160, 19497), (4288, 18915), (4355, 18624), (4656, 17420), (5044, 16080), (5226, 15520), (5360, 15132), (5820, 13936), (6208, 13065), (6240, 12998), (6305, 12864), (6432, 12610), (6499, 12480), (6968, 11640), (7566, 10720), (7760, 10452), (8040, 10088), (8710, 9312)]