281260512

素因数分解:

$2^5\times 3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:543

約数の個数: 240

約数和(自身を含む): 945130032

約数和(自身を除く): 663869520

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 27, 32, 34, 36, 39, 48, 51, 52, 54, 68, 72, 78, 81, 96, 102, 104, 108, 117, 136, 144, 153, 156, 162, 204, 208, 216, 221, 234, 272, 288, 306, 312, 324, 351, 408, 416, 432, 442, 459, 468, 491, 544, 612, 624, 648, 663, 702, 816, 864, 884, 918, 936, 982, 1053, 1224, 1248, 1296, 1326, 1377, 1404, 1473, 1632, 1768, 1836, 1872, 1964, 1989, 2106, 2448, 2592, 2652, 2754, 2808, 2946, 3536, 3672, 3744, 3928, 3978, 4212, 4419, 4896, 5304, 5508, 5616, 5892, 5967, 6383, 7072, 7344, 7856, 7956, 8347, 8424, 8838, 10608, 11016, 11232, 11784, 11934, 12766, 13257, 14688, 15712, 15912, 16694, 16848, 17676, 17901, 19149, 21216, 22032, 23568, 23868, 25041, 25532, 26514, 31824, 33388, 33696, 35352, 35802, 38298, 39771, 44064, 47136, 47736, 50082, 51064, 53028, 57447, 63648, 66776, 70704, 71604, 75123, 76596, 79542, 95472, 100164, 102128, 106056, 108511, 114894, 133552, 141408, 143208, 150246, 153192, 159084, 172341, 190944, 200328, 204256, 212112, 217022, 225369, 229788, 267104, 286416, 300492, 306384, 318168, 325533, 344682, 400656, 424224, 434044, 450738, 459576, 517023, 572832, 600984, 612768, 636336, 651066, 676107, 689364, 801312, 868088, 901476, 919152, 976599, 1034046, 1201968, 1272672, 1302132, 1352214, 1378728, 1736176, 1802952, 1838304, 1953198, 2068092, 2403936, 2604264, 2704428, 2757456, 2929797, 3472352, 3605904, 3906396, 4136184, 5208528, 5408856, 5514912, 5859594, 7211808, 7812792, 8272368, 8789391, 10417056, 10817712, 11719188, 15625584, 16544736, 17578782, 21635424, 23438376, 31251168, 35157564, 46876752, 70315128, 93753504, 140630256, 281260512]

約数ペア:

[(1, 281260512), (2, 140630256), (3, 93753504), (4, 70315128), (6, 46876752), (8, 35157564), (9, 31251168), (12, 23438376), (13, 21635424), (16, 17578782), (17, 16544736), (18, 15625584), (24, 11719188), (26, 10817712), (27, 10417056), (32, 8789391), (34, 8272368), (36, 7812792), (39, 7211808), (48, 5859594), (51, 5514912), (52, 5408856), (54, 5208528), (68, 4136184), (72, 3906396), (78, 3605904), (81, 3472352), (96, 2929797), (102, 2757456), (104, 2704428), (108, 2604264), (117, 2403936), (136, 2068092), (144, 1953198), (153, 1838304), (156, 1802952), (162, 1736176), (204, 1378728), (208, 1352214), (216, 1302132), (221, 1272672), (234, 1201968), (272, 1034046), (288, 976599), (306, 919152), (312, 901476), (324, 868088), (351, 801312), (408, 689364), (416, 676107), (432, 651066), (442, 636336), (459, 612768), (468, 600984), (491, 572832), (544, 517023), (612, 459576), (624, 450738), (648, 434044), (663, 424224), (702, 400656), (816, 344682), (864, 325533), (884, 318168), (918, 306384), (936, 300492), (982, 286416), (1053, 267104), (1224, 229788), (1248, 225369), (1296, 217022), (1326, 212112), (1377, 204256), (1404, 200328), (1473, 190944), (1632, 172341), (1768, 159084), (1836, 153192), (1872, 150246), (1964, 143208), (1989, 141408), (2106, 133552), (2448, 114894), (2592, 108511), (2652, 106056), (2754, 102128), (2808, 100164), (2946, 95472), (3536, 79542), (3672, 76596), (3744, 75123), (3928, 71604), (3978, 70704), (4212, 66776), (4419, 63648), (4896, 57447), (5304, 53028), (5508, 51064), (5616, 50082), (5892, 47736), (5967, 47136), (6383, 44064), (7072, 39771), (7344, 38298), (7856, 35802), (7956, 35352), (8347, 33696), (8424, 33388), (8838, 31824), (10608, 26514), (11016, 25532), (11232, 25041), (11784, 23868), (11934, 23568), (12766, 22032), (13257, 21216), (14688, 19149), (15712, 17901), (15912, 17676), (16694, 16848)]