256520628

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:683

約数の個数: 192

約数和(自身を含む): 838942720

約数和(自身を除く): 582422092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 43, 52, 54, 63, 78, 84, 86, 91, 108, 117, 126, 129, 156, 172, 182, 189, 234, 252, 258, 273, 301, 351, 364, 378, 387, 468, 516, 546, 559, 602, 607, 702, 756, 774, 819, 903, 1092, 1118, 1161, 1204, 1214, 1404, 1548, 1638, 1677, 1806, 1821, 2236, 2322, 2428, 2457, 2709, 3276, 3354, 3612, 3642, 3913, 4249, 4644, 4914, 5031, 5418, 5463, 6708, 7284, 7826, 7891, 8127, 8498, 9828, 10062, 10836, 10926, 11739, 12747, 15093, 15652, 15782, 16254, 16389, 16996, 20124, 21852, 23478, 23673, 25494, 26101, 30186, 31564, 32508, 32778, 35217, 38241, 46956, 47346, 50988, 52202, 55237, 60372, 65556, 70434, 71019, 76482, 78303, 94692, 104404, 105651, 110474, 114723, 140868, 142038, 152964, 156606, 165711, 182707, 211302, 213057, 220948, 229446, 234909, 284076, 313212, 331422, 339313, 365414, 422604, 426114, 458892, 469818, 497133, 548121, 662844, 678626, 704727, 730828, 852228, 939636, 994266, 1017939, 1096242, 1357252, 1409454, 1491399, 1644363, 1988532, 2035878, 2192484, 2375191, 2818908, 2982798, 3053817, 3288726, 4071756, 4750382, 4933089, 5965596, 6107634, 6577452, 7125573, 9161451, 9500764, 9866178, 12215268, 14251146, 18322902, 19732356, 21376719, 28502292, 36645804, 42753438, 64130157, 85506876, 128260314, 256520628]

約数ペア:

[(1, 256520628), (2, 128260314), (3, 85506876), (4, 64130157), (6, 42753438), (7, 36645804), (9, 28502292), (12, 21376719), (13, 19732356), (14, 18322902), (18, 14251146), (21, 12215268), (26, 9866178), (27, 9500764), (28, 9161451), (36, 7125573), (39, 6577452), (42, 6107634), (43, 5965596), (52, 4933089), (54, 4750382), (63, 4071756), (78, 3288726), (84, 3053817), (86, 2982798), (91, 2818908), (108, 2375191), (117, 2192484), (126, 2035878), (129, 1988532), (156, 1644363), (172, 1491399), (182, 1409454), (189, 1357252), (234, 1096242), (252, 1017939), (258, 994266), (273, 939636), (301, 852228), (351, 730828), (364, 704727), (378, 678626), (387, 662844), (468, 548121), (516, 497133), (546, 469818), (559, 458892), (602, 426114), (607, 422604), (702, 365414), (756, 339313), (774, 331422), (819, 313212), (903, 284076), (1092, 234909), (1118, 229446), (1161, 220948), (1204, 213057), (1214, 211302), (1404, 182707), (1548, 165711), (1638, 156606), (1677, 152964), (1806, 142038), (1821, 140868), (2236, 114723), (2322, 110474), (2428, 105651), (2457, 104404), (2709, 94692), (3276, 78303), (3354, 76482), (3612, 71019), (3642, 70434), (3913, 65556), (4249, 60372), (4644, 55237), (4914, 52202), (5031, 50988), (5418, 47346), (5463, 46956), (6708, 38241), (7284, 35217), (7826, 32778), (7891, 32508), (8127, 31564), (8498, 30186), (9828, 26101), (10062, 25494), (10836, 23673), (10926, 23478), (11739, 21852), (12747, 20124), (15093, 16996), (15652, 16389), (15782, 16254)]