81142128

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:204

約数の個数: 160

約数和(自身を含む): 246650880

約数和(自身を除く): 165508752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 73, 83, 93, 108, 124, 144, 146, 166, 186, 216, 219, 248, 249, 279, 292, 332, 372, 432, 438, 496, 498, 558, 584, 657, 664, 744, 747, 837, 876, 996, 1116, 1168, 1314, 1328, 1488, 1494, 1674, 1752, 1971, 1992, 2232, 2241, 2263, 2573, 2628, 2988, 3348, 3504, 3942, 3984, 4464, 4482, 4526, 5146, 5256, 5976, 6059, 6696, 6789, 7719, 7884, 8964, 9052, 10292, 10512, 11952, 12118, 13392, 13578, 15438, 15768, 17928, 18104, 18177, 20367, 20584, 23157, 24236, 27156, 30876, 31536, 35856, 36208, 36354, 40734, 41168, 46314, 48472, 54312, 54531, 61101, 61752, 69471, 72708, 81468, 92628, 96944, 108624, 109062, 122202, 123504, 138942, 145416, 162936, 163593, 185256, 187829, 218124, 244404, 277884, 290832, 325872, 327186, 370512, 375658, 436248, 488808, 555768, 563487, 654372, 751316, 872496, 977616, 1111536, 1126974, 1308744, 1502632, 1690461, 2253948, 2617488, 3005264, 3380922, 4507896, 5071383, 6761844, 9015792, 10142766, 13523688, 20285532, 27047376, 40571064, 81142128]

約数ペア:

[(1, 81142128), (2, 40571064), (3, 27047376), (4, 20285532), (6, 13523688), (8, 10142766), (9, 9015792), (12, 6761844), (16, 5071383), (18, 4507896), (24, 3380922), (27, 3005264), (31, 2617488), (36, 2253948), (48, 1690461), (54, 1502632), (62, 1308744), (72, 1126974), (73, 1111536), (83, 977616), (93, 872496), (108, 751316), (124, 654372), (144, 563487), (146, 555768), (166, 488808), (186, 436248), (216, 375658), (219, 370512), (248, 327186), (249, 325872), (279, 290832), (292, 277884), (332, 244404), (372, 218124), (432, 187829), (438, 185256), (496, 163593), (498, 162936), (558, 145416), (584, 138942), (657, 123504), (664, 122202), (744, 109062), (747, 108624), (837, 96944), (876, 92628), (996, 81468), (1116, 72708), (1168, 69471), (1314, 61752), (1328, 61101), (1488, 54531), (1494, 54312), (1674, 48472), (1752, 46314), (1971, 41168), (1992, 40734), (2232, 36354), (2241, 36208), (2263, 35856), (2573, 31536), (2628, 30876), (2988, 27156), (3348, 24236), (3504, 23157), (3942, 20584), (3984, 20367), (4464, 18177), (4482, 18104), (4526, 17928), (5146, 15768), (5256, 15438), (5976, 13578), (6059, 13392), (6696, 12118), (6789, 11952), (7719, 10512), (7884, 10292), (8964, 9052)]