256566852

素因数分解:

$2^2\times 3^4\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:359

約数の個数: 120

約数和(自身を含む): 696681216

約数和(自身を除く): 440114364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 67, 81, 106, 108, 134, 159, 162, 201, 212, 223, 268, 318, 324, 402, 446, 477, 603, 636, 669, 804, 892, 954, 1206, 1338, 1431, 1809, 1908, 2007, 2412, 2676, 2862, 3551, 3618, 4014, 4293, 5427, 5724, 6021, 7102, 7236, 8028, 8586, 10653, 10854, 11819, 12042, 14204, 14941, 17172, 18063, 21306, 21708, 23638, 24084, 29882, 31959, 35457, 36126, 42612, 44823, 47276, 59764, 63918, 70914, 72252, 89646, 95877, 106371, 127836, 134469, 141828, 179292, 191754, 212742, 268938, 287631, 319113, 383508, 403407, 425484, 537876, 575262, 638226, 791873, 806814, 957339, 1150524, 1210221, 1276452, 1583746, 1613628, 1914678, 2375619, 2420442, 3167492, 3829356, 4751238, 4840884, 7126857, 9502476, 14253714, 21380571, 28507428, 42761142, 64141713, 85522284, 128283426, 256566852]

約数ペア:

[(1, 256566852), (2, 128283426), (3, 85522284), (4, 64141713), (6, 42761142), (9, 28507428), (12, 21380571), (18, 14253714), (27, 9502476), (36, 7126857), (53, 4840884), (54, 4751238), (67, 3829356), (81, 3167492), (106, 2420442), (108, 2375619), (134, 1914678), (159, 1613628), (162, 1583746), (201, 1276452), (212, 1210221), (223, 1150524), (268, 957339), (318, 806814), (324, 791873), (402, 638226), (446, 575262), (477, 537876), (603, 425484), (636, 403407), (669, 383508), (804, 319113), (892, 287631), (954, 268938), (1206, 212742), (1338, 191754), (1431, 179292), (1809, 141828), (1908, 134469), (2007, 127836), (2412, 106371), (2676, 95877), (2862, 89646), (3551, 72252), (3618, 70914), (4014, 63918), (4293, 59764), (5427, 47276), (5724, 44823), (6021, 42612), (7102, 36126), (7236, 35457), (8028, 31959), (8586, 29882), (10653, 24084), (10854, 23638), (11819, 21708), (12042, 21306), (14204, 18063), (14941, 17172)]