31409856

素因数分解:

$2^6\times 3^4\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 140

約数和(自身を含む): 95521272

約数和(自身を除く): 64111416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 73, 81, 83, 96, 108, 144, 146, 162, 166, 192, 216, 219, 249, 288, 292, 324, 332, 432, 438, 498, 576, 584, 648, 657, 664, 747, 864, 876, 996, 1168, 1296, 1314, 1328, 1494, 1728, 1752, 1971, 1992, 2241, 2336, 2592, 2628, 2656, 2988, 3504, 3942, 3984, 4482, 4672, 5184, 5256, 5312, 5913, 5976, 6059, 6723, 7008, 7884, 7968, 8964, 10512, 11826, 11952, 12118, 13446, 14016, 15768, 15936, 17928, 18177, 21024, 23652, 23904, 24236, 26892, 31536, 35856, 36354, 42048, 47304, 47808, 48472, 53784, 54531, 63072, 71712, 72708, 94608, 96944, 107568, 109062, 126144, 143424, 145416, 163593, 189216, 193888, 215136, 218124, 290832, 327186, 378432, 387776, 430272, 436248, 490779, 581664, 654372, 872496, 981558, 1163328, 1308744, 1744992, 1963116, 2617488, 3489984, 3926232, 5234976, 7852464, 10469952, 15704928, 31409856]

約数ペア:

[(1, 31409856), (2, 15704928), (3, 10469952), (4, 7852464), (6, 5234976), (8, 3926232), (9, 3489984), (12, 2617488), (16, 1963116), (18, 1744992), (24, 1308744), (27, 1163328), (32, 981558), (36, 872496), (48, 654372), (54, 581664), (64, 490779), (72, 436248), (73, 430272), (81, 387776), (83, 378432), (96, 327186), (108, 290832), (144, 218124), (146, 215136), (162, 193888), (166, 189216), (192, 163593), (216, 145416), (219, 143424), (249, 126144), (288, 109062), (292, 107568), (324, 96944), (332, 94608), (432, 72708), (438, 71712), (498, 63072), (576, 54531), (584, 53784), (648, 48472), (657, 47808), (664, 47304), (747, 42048), (864, 36354), (876, 35856), (996, 31536), (1168, 26892), (1296, 24236), (1314, 23904), (1328, 23652), (1494, 21024), (1728, 18177), (1752, 17928), (1971, 15936), (1992, 15768), (2241, 14016), (2336, 13446), (2592, 12118), (2628, 11952), (2656, 11826), (2988, 10512), (3504, 8964), (3942, 7968), (3984, 7884), (4482, 7008), (4672, 6723), (5184, 6059), (5256, 5976), (5312, 5913)]