256562424

素因数分解:

$2^3\times 3^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1201}}^1$

素因数の和:1282

約数の個数: 128

約数和(自身を含む): 761587200

約数和(自身を除く): 505024776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 43, 46, 54, 69, 72, 86, 92, 108, 129, 138, 172, 184, 207, 216, 258, 276, 344, 387, 414, 516, 552, 621, 774, 828, 989, 1032, 1161, 1201, 1242, 1548, 1656, 1978, 2322, 2402, 2484, 2967, 3096, 3603, 3956, 4644, 4804, 4968, 5934, 7206, 7912, 8901, 9288, 9608, 10809, 11868, 14412, 17802, 21618, 23736, 26703, 27623, 28824, 32427, 35604, 43236, 51643, 53406, 55246, 64854, 71208, 82869, 86472, 103286, 106812, 110492, 129708, 154929, 165738, 206572, 213624, 220984, 248607, 259416, 309858, 331476, 413144, 464787, 497214, 619716, 662952, 745821, 929574, 994428, 1187789, 1239432, 1394361, 1491642, 1859148, 1988856, 2375578, 2788722, 2983284, 3563367, 3718296, 4751156, 5577444, 5966568, 7126734, 9502312, 10690101, 11154888, 14253468, 21380202, 28506936, 32070303, 42760404, 64140606, 85520808, 128281212, 256562424]

約数ペア:

[(1, 256562424), (2, 128281212), (3, 85520808), (4, 64140606), (6, 42760404), (8, 32070303), (9, 28506936), (12, 21380202), (18, 14253468), (23, 11154888), (24, 10690101), (27, 9502312), (36, 7126734), (43, 5966568), (46, 5577444), (54, 4751156), (69, 3718296), (72, 3563367), (86, 2983284), (92, 2788722), (108, 2375578), (129, 1988856), (138, 1859148), (172, 1491642), (184, 1394361), (207, 1239432), (216, 1187789), (258, 994428), (276, 929574), (344, 745821), (387, 662952), (414, 619716), (516, 497214), (552, 464787), (621, 413144), (774, 331476), (828, 309858), (989, 259416), (1032, 248607), (1161, 220984), (1201, 213624), (1242, 206572), (1548, 165738), (1656, 154929), (1978, 129708), (2322, 110492), (2402, 106812), (2484, 103286), (2967, 86472), (3096, 82869), (3603, 71208), (3956, 64854), (4644, 55246), (4804, 53406), (4968, 51643), (5934, 43236), (7206, 35604), (7912, 32427), (8901, 28824), (9288, 27623), (9608, 26703), (10809, 23736), (11868, 21618), (14412, 17802)]