81798336

素因数分解:

$2^6\times 3^4\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:564

約数の個数: 140

約数和(自身を含む): 250789440

約数和(自身を除く): 168991104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 81, 93, 96, 108, 124, 144, 162, 186, 192, 216, 248, 279, 288, 324, 372, 432, 496, 509, 558, 576, 648, 744, 837, 864, 992, 1018, 1116, 1296, 1488, 1527, 1674, 1728, 1984, 2036, 2232, 2511, 2592, 2976, 3054, 3348, 4072, 4464, 4581, 5022, 5184, 5952, 6108, 6696, 8144, 8928, 9162, 10044, 12216, 13392, 13743, 15779, 16288, 17856, 18324, 20088, 24432, 26784, 27486, 31558, 32576, 36648, 40176, 41229, 47337, 48864, 53568, 54972, 63116, 73296, 80352, 82458, 94674, 97728, 109944, 126232, 142011, 146592, 160704, 164916, 189348, 219888, 252464, 284022, 293184, 329832, 378696, 426033, 439776, 504928, 568044, 659664, 757392, 852066, 879552, 1009856, 1136088, 1278099, 1319328, 1514784, 1704132, 2272176, 2556198, 2638656, 3029568, 3408264, 4544352, 5112396, 6816528, 9088704, 10224792, 13633056, 20449584, 27266112, 40899168, 81798336]

約数ペア:

[(1, 81798336), (2, 40899168), (3, 27266112), (4, 20449584), (6, 13633056), (8, 10224792), (9, 9088704), (12, 6816528), (16, 5112396), (18, 4544352), (24, 3408264), (27, 3029568), (31, 2638656), (32, 2556198), (36, 2272176), (48, 1704132), (54, 1514784), (62, 1319328), (64, 1278099), (72, 1136088), (81, 1009856), (93, 879552), (96, 852066), (108, 757392), (124, 659664), (144, 568044), (162, 504928), (186, 439776), (192, 426033), (216, 378696), (248, 329832), (279, 293184), (288, 284022), (324, 252464), (372, 219888), (432, 189348), (496, 164916), (509, 160704), (558, 146592), (576, 142011), (648, 126232), (744, 109944), (837, 97728), (864, 94674), (992, 82458), (1018, 80352), (1116, 73296), (1296, 63116), (1488, 54972), (1527, 53568), (1674, 48864), (1728, 47337), (1984, 41229), (2036, 40176), (2232, 36648), (2511, 32576), (2592, 31558), (2976, 27486), (3054, 26784), (3348, 24432), (4072, 20088), (4464, 18324), (4581, 17856), (5022, 16288), (5184, 15779), (5952, 13743), (6108, 13392), (6696, 12216), (8144, 10044), (8928, 9162)]