1279000008

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:561

約数の個数: 288

約数和(自身を含む): 4287366720

約数和(自身を除く): 3008366712

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 23, 24, 26, 33, 36, 39, 44, 46, 52, 66, 69, 72, 78, 88, 92, 99, 104, 117, 121, 132, 138, 143, 156, 184, 198, 207, 234, 242, 253, 264, 276, 286, 299, 312, 363, 396, 414, 429, 468, 484, 491, 506, 552, 572, 598, 726, 759, 792, 828, 858, 897, 936, 968, 982, 1012, 1089, 1144, 1196, 1287, 1452, 1473, 1518, 1573, 1656, 1716, 1794, 1964, 2024, 2178, 2277, 2392, 2574, 2691, 2783, 2904, 2946, 3036, 3146, 3289, 3432, 3588, 3928, 4356, 4419, 4554, 4719, 5148, 5382, 5401, 5566, 5892, 6072, 6292, 6383, 6578, 7176, 8349, 8712, 8838, 9108, 9438, 9867, 10296, 10764, 10802, 11132, 11293, 11784, 12584, 12766, 13156, 14157, 16203, 16698, 17676, 18216, 18876, 19149, 19734, 21528, 21604, 22264, 22586, 25047, 25532, 26312, 28314, 29601, 32406, 33396, 33879, 35352, 36179, 37752, 38298, 39468, 43208, 45172, 48609, 50094, 51064, 56628, 57447, 59202, 59411, 64812, 66792, 67758, 70213, 72358, 76596, 78936, 90344, 97218, 100188, 101637, 108537, 113256, 114894, 118404, 118822, 124223, 129624, 135516, 140426, 144716, 146809, 153192, 178233, 194436, 200376, 203274, 210639, 217074, 229788, 236808, 237644, 248446, 271032, 280852, 289432, 293618, 325611, 356466, 372669, 388872, 406548, 421278, 434148, 440427, 459576, 475288, 496892, 534699, 561704, 587236, 631917, 651222, 712932, 745338, 772343, 813096, 842556, 868296, 880854, 993784, 1069398, 1118007, 1174472, 1263834, 1302444, 1321281, 1366453, 1425864, 1490676, 1544686, 1614899, 1685112, 1761708, 2138796, 2236014, 2317029, 2527668, 2604888, 2642562, 2732906, 2981352, 3089372, 3229798, 3523416, 4099359, 4277592, 4472028, 4634058, 4844697, 5055336, 5285124, 5465812, 6178744, 6459596, 6951087, 8198718, 8944056, 9268116, 9689394, 10570248, 10931624, 12298077, 12919192, 13902174, 14534091, 16397436, 17763889, 18536232, 19378788, 24596154, 27804348, 29068182, 32794872, 35527778, 38757576, 49192308, 53291667, 55608696, 58136364, 71055556, 98384616, 106583334, 116272728, 142111112, 159875001, 213166668, 319750002, 426333336, 639500004, 1279000008]

約数ペア:

[(1, 1279000008), (2, 639500004), (3, 426333336), (4, 319750002), (6, 213166668), (8, 159875001), (9, 142111112), (11, 116272728), (12, 106583334), (13, 98384616), (18, 71055556), (22, 58136364), (23, 55608696), (24, 53291667), (26, 49192308), (33, 38757576), (36, 35527778), (39, 32794872), (44, 29068182), (46, 27804348), (52, 24596154), (66, 19378788), (69, 18536232), (72, 17763889), (78, 16397436), (88, 14534091), (92, 13902174), (99, 12919192), (104, 12298077), (117, 10931624), (121, 10570248), (132, 9689394), (138, 9268116), (143, 8944056), (156, 8198718), (184, 6951087), (198, 6459596), (207, 6178744), (234, 5465812), (242, 5285124), (253, 5055336), (264, 4844697), (276, 4634058), (286, 4472028), (299, 4277592), (312, 4099359), (363, 3523416), (396, 3229798), (414, 3089372), (429, 2981352), (468, 2732906), (484, 2642562), (491, 2604888), (506, 2527668), (552, 2317029), (572, 2236014), (598, 2138796), (726, 1761708), (759, 1685112), (792, 1614899), (828, 1544686), (858, 1490676), (897, 1425864), (936, 1366453), (968, 1321281), (982, 1302444), (1012, 1263834), (1089, 1174472), (1144, 1118007), (1196, 1069398), (1287, 993784), (1452, 880854), (1473, 868296), (1518, 842556), (1573, 813096), (1656, 772343), (1716, 745338), (1794, 712932), (1964, 651222), (2024, 631917), (2178, 587236), (2277, 561704), (2392, 534699), (2574, 496892), (2691, 475288), (2783, 459576), (2904, 440427), (2946, 434148), (3036, 421278), (3146, 406548), (3289, 388872), (3432, 372669), (3588, 356466), (3928, 325611), (4356, 293618), (4419, 289432), (4554, 280852), (4719, 271032), (5148, 248446), (5382, 237644), (5401, 236808), (5566, 229788), (5892, 217074), (6072, 210639), (6292, 203274), (6383, 200376), (6578, 194436), (7176, 178233), (8349, 153192), (8712, 146809), (8838, 144716), (9108, 140426), (9438, 135516), (9867, 129624), (10296, 124223), (10764, 118822), (10802, 118404), (11132, 114894), (11293, 113256), (11784, 108537), (12584, 101637), (12766, 100188), (13156, 97218), (14157, 90344), (16203, 78936), (16698, 76596), (17676, 72358), (18216, 70213), (18876, 67758), (19149, 66792), (19734, 64812), (21528, 59411), (21604, 59202), (22264, 57447), (22586, 56628), (25047, 51064), (25532, 50094), (26312, 48609), (28314, 45172), (29601, 43208), (32406, 39468), (33396, 38298), (33879, 37752), (35352, 36179)]