81021864

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2579}}^1$

素因数の和:2623

約数の個数: 128

約数和(自身を含む): 267494400

約数和(自身を除く): 186472536

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 17, 21, 22, 24, 28, 33, 34, 42, 44, 51, 56, 66, 68, 77, 84, 88, 102, 119, 132, 136, 154, 168, 187, 204, 231, 238, 264, 308, 357, 374, 408, 462, 476, 561, 616, 714, 748, 924, 952, 1122, 1309, 1428, 1496, 1848, 2244, 2579, 2618, 2856, 3927, 4488, 5158, 5236, 7737, 7854, 10316, 10472, 15474, 15708, 18053, 20632, 28369, 30948, 31416, 36106, 43843, 54159, 56738, 61896, 72212, 85107, 87686, 108318, 113476, 131529, 144424, 170214, 175372, 198583, 216636, 226952, 263058, 306901, 340428, 350744, 397166, 433272, 482273, 526116, 595749, 613802, 680856, 794332, 920703, 964546, 1052232, 1191498, 1227604, 1446819, 1588664, 1841406, 1929092, 2382996, 2455208, 2893638, 3375911, 3682812, 3858184, 4765992, 5787276, 6751822, 7365624, 10127733, 11574552, 13503644, 20255466, 27007288, 40510932, 81021864]

約数ペア:

[(1, 81021864), (2, 40510932), (3, 27007288), (4, 20255466), (6, 13503644), (7, 11574552), (8, 10127733), (11, 7365624), (12, 6751822), (14, 5787276), (17, 4765992), (21, 3858184), (22, 3682812), (24, 3375911), (28, 2893638), (33, 2455208), (34, 2382996), (42, 1929092), (44, 1841406), (51, 1588664), (56, 1446819), (66, 1227604), (68, 1191498), (77, 1052232), (84, 964546), (88, 920703), (102, 794332), (119, 680856), (132, 613802), (136, 595749), (154, 526116), (168, 482273), (187, 433272), (204, 397166), (231, 350744), (238, 340428), (264, 306901), (308, 263058), (357, 226952), (374, 216636), (408, 198583), (462, 175372), (476, 170214), (561, 144424), (616, 131529), (714, 113476), (748, 108318), (924, 87686), (952, 85107), (1122, 72212), (1309, 61896), (1428, 56738), (1496, 54159), (1848, 43843), (2244, 36106), (2579, 31416), (2618, 30948), (2856, 28369), (3927, 20632), (4488, 18053), (5158, 15708), (5236, 15474), (7737, 10472), (7854, 10316)]