68105808

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:721

約数の個数: 120

約数和(自身を含む): 206826048

約数和(自身を除く): 138720240

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 43, 48, 51, 68, 72, 86, 102, 129, 136, 144, 153, 172, 204, 258, 272, 306, 344, 387, 408, 516, 612, 647, 688, 731, 774, 816, 1032, 1224, 1294, 1462, 1548, 1941, 2064, 2193, 2448, 2588, 2924, 3096, 3882, 4386, 5176, 5823, 5848, 6192, 6579, 7764, 8772, 10352, 10999, 11646, 11696, 13158, 15528, 17544, 21998, 23292, 26316, 27821, 31056, 32997, 35088, 43996, 46584, 52632, 55642, 65994, 83463, 87992, 93168, 98991, 105264, 111284, 131988, 166926, 175984, 197982, 222568, 250389, 263976, 333852, 395964, 445136, 472957, 500778, 527952, 667704, 791928, 945914, 1001556, 1335408, 1418871, 1583856, 1891828, 2003112, 2837742, 3783656, 4006224, 4256613, 5675484, 7567312, 8513226, 11350968, 17026452, 22701936, 34052904, 68105808]

約数ペア:

[(1, 68105808), (2, 34052904), (3, 22701936), (4, 17026452), (6, 11350968), (8, 8513226), (9, 7567312), (12, 5675484), (16, 4256613), (17, 4006224), (18, 3783656), (24, 2837742), (34, 2003112), (36, 1891828), (43, 1583856), (48, 1418871), (51, 1335408), (68, 1001556), (72, 945914), (86, 791928), (102, 667704), (129, 527952), (136, 500778), (144, 472957), (153, 445136), (172, 395964), (204, 333852), (258, 263976), (272, 250389), (306, 222568), (344, 197982), (387, 175984), (408, 166926), (516, 131988), (612, 111284), (647, 105264), (688, 98991), (731, 93168), (774, 87992), (816, 83463), (1032, 65994), (1224, 55642), (1294, 52632), (1462, 46584), (1548, 43996), (1941, 35088), (2064, 32997), (2193, 31056), (2448, 27821), (2588, 26316), (2924, 23292), (3096, 21998), (3882, 17544), (4386, 15528), (5176, 13158), (5823, 11696), (5848, 11646), (6192, 10999), (6579, 10352), (7764, 8772)]