26307780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:569

約数の個数: 96

約数和(自身を含む): 79349760

約数和(自身を除く): 53041980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 47, 57, 60, 76, 94, 95, 114, 141, 188, 190, 228, 235, 282, 285, 380, 470, 491, 564, 570, 705, 893, 940, 982, 1140, 1410, 1473, 1786, 1964, 2455, 2679, 2820, 2946, 3572, 4465, 4910, 5358, 5892, 7365, 8930, 9329, 9820, 10716, 13395, 14730, 17860, 18658, 23077, 26790, 27987, 29460, 37316, 46154, 46645, 53580, 55974, 69231, 92308, 93290, 111948, 115385, 138462, 139935, 186580, 230770, 276924, 279870, 346155, 438463, 461540, 559740, 692310, 876926, 1315389, 1384620, 1753852, 2192315, 2630778, 4384630, 5261556, 6576945, 8769260, 13153890, 26307780]

約数ペア:

[(1, 26307780), (2, 13153890), (3, 8769260), (4, 6576945), (5, 5261556), (6, 4384630), (10, 2630778), (12, 2192315), (15, 1753852), (19, 1384620), (20, 1315389), (30, 876926), (38, 692310), (47, 559740), (57, 461540), (60, 438463), (76, 346155), (94, 279870), (95, 276924), (114, 230770), (141, 186580), (188, 139935), (190, 138462), (228, 115385), (235, 111948), (282, 93290), (285, 92308), (380, 69231), (470, 55974), (491, 53580), (564, 46645), (570, 46154), (705, 37316), (893, 29460), (940, 27987), (982, 26790), (1140, 23077), (1410, 18658), (1473, 17860), (1786, 14730), (1964, 13395), (2455, 10716), (2679, 9820), (2820, 9329), (2946, 8930), (3572, 7365), (4465, 5892), (4910, 5358)]