280871136

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1531}}^1$

素因数の和:1574

約数の個数: 216

約数和(自身を含む): 1001256984

約数和(自身を除く): 720385848

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 49, 52, 56, 63, 72, 78, 84, 91, 96, 98, 104, 112, 117, 126, 144, 147, 156, 168, 182, 196, 208, 224, 234, 252, 273, 288, 294, 312, 336, 364, 392, 416, 441, 468, 504, 546, 588, 624, 637, 672, 728, 784, 819, 882, 936, 1008, 1092, 1176, 1248, 1274, 1456, 1531, 1568, 1638, 1764, 1872, 1911, 2016, 2184, 2352, 2548, 2912, 3062, 3276, 3528, 3744, 3822, 4368, 4593, 4704, 5096, 5733, 6124, 6552, 7056, 7644, 8736, 9186, 10192, 10717, 11466, 12248, 13104, 13779, 14112, 15288, 18372, 19903, 20384, 21434, 22932, 24496, 26208, 27558, 30576, 32151, 36744, 39806, 42868, 45864, 48992, 55116, 59709, 61152, 64302, 73488, 75019, 79612, 85736, 91728, 96453, 110232, 119418, 128604, 139321, 146976, 150038, 159224, 171472, 179127, 183456, 192906, 220464, 225057, 238836, 257208, 278642, 300076, 318448, 342944, 358254, 385812, 417963, 440928, 450114, 477672, 514416, 557284, 600152, 636896, 675171, 716508, 771624, 835926, 900228, 955344, 975247, 1028832, 1114568, 1200304, 1253889, 1350342, 1433016, 1543248, 1671852, 1800456, 1910688, 1950494, 2229136, 2400608, 2507778, 2700684, 2866032, 2925741, 3086496, 3343704, 3600912, 3900988, 4458272, 5015556, 5401368, 5732064, 5851482, 6687408, 7201824, 7801976, 8777223, 10031112, 10802736, 11702964, 13374816, 15603952, 17554446, 20062224, 21605472, 23405928, 31207904, 35108892, 40124448, 46811856, 70217784, 93623712, 140435568, 280871136]

約数ペア:

[(1, 280871136), (2, 140435568), (3, 93623712), (4, 70217784), (6, 46811856), (7, 40124448), (8, 35108892), (9, 31207904), (12, 23405928), (13, 21605472), (14, 20062224), (16, 17554446), (18, 15603952), (21, 13374816), (24, 11702964), (26, 10802736), (28, 10031112), (32, 8777223), (36, 7801976), (39, 7201824), (42, 6687408), (48, 5851482), (49, 5732064), (52, 5401368), (56, 5015556), (63, 4458272), (72, 3900988), (78, 3600912), (84, 3343704), (91, 3086496), (96, 2925741), (98, 2866032), (104, 2700684), (112, 2507778), (117, 2400608), (126, 2229136), (144, 1950494), (147, 1910688), (156, 1800456), (168, 1671852), (182, 1543248), (196, 1433016), (208, 1350342), (224, 1253889), (234, 1200304), (252, 1114568), (273, 1028832), (288, 975247), (294, 955344), (312, 900228), (336, 835926), (364, 771624), (392, 716508), (416, 675171), (441, 636896), (468, 600152), (504, 557284), (546, 514416), (588, 477672), (624, 450114), (637, 440928), (672, 417963), (728, 385812), (784, 358254), (819, 342944), (882, 318448), (936, 300076), (1008, 278642), (1092, 257208), (1176, 238836), (1248, 225057), (1274, 220464), (1456, 192906), (1531, 183456), (1568, 179127), (1638, 171472), (1764, 159224), (1872, 150038), (1911, 146976), (2016, 139321), (2184, 128604), (2352, 119418), (2548, 110232), (2912, 96453), (3062, 91728), (3276, 85736), (3528, 79612), (3744, 75019), (3822, 73488), (4368, 64302), (4593, 61152), (4704, 59709), (5096, 55116), (5733, 48992), (6124, 45864), (6552, 42868), (7056, 39806), (7644, 36744), (8736, 32151), (9186, 30576), (10192, 27558), (10717, 26208), (11466, 24496), (12248, 22932), (13104, 21434), (13779, 20384), (14112, 19903), (15288, 18372)]