256104576

素因数分解:

$2^7\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:396

約数の個数: 288

約数和(自身を含む): 925879500

約数和(自身を除く): 669774924

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, 64, 72, 78, 84, 91, 96, 98, 104, 112, 117, 126, 128, 144, 147, 156, 168, 182, 192, 196, 208, 224, 234, 252, 273, 288, 294, 312, 336, 349, 364, 384, 392, 416, 441, 448, 468, 504, 546, 576, 588, 624, 637, 672, 698, 728, 784, 819, 832, 882, 896, 936, 1008, 1047, 1092, 1152, 1176, 1248, 1274, 1344, 1396, 1456, 1568, 1638, 1664, 1764, 1872, 1911, 2016, 2094, 2184, 2352, 2443, 2496, 2548, 2688, 2792, 2912, 3136, 3141, 3276, 3528, 3744, 3822, 4032, 4188, 4368, 4537, 4704, 4886, 4992, 5096, 5584, 5733, 5824, 6272, 6282, 6552, 7056, 7329, 7488, 7644, 8064, 8376, 8736, 9074, 9408, 9772, 10192, 11168, 11466, 11648, 12564, 13104, 13611, 14112, 14658, 14976, 15288, 16752, 17101, 17472, 18148, 18816, 19544, 20384, 21987, 22336, 22932, 25128, 26208, 27222, 28224, 29316, 30576, 31759, 33504, 34202, 34944, 36296, 39088, 40768, 40833, 43974, 44672, 45864, 50256, 51303, 52416, 54444, 56448, 58632, 61152, 63518, 67008, 68404, 72592, 78176, 81536, 81666, 87948, 91728, 95277, 100512, 102606, 104832, 108888, 117264, 122304, 127036, 134016, 136808, 145184, 153909, 156352, 163332, 175896, 183456, 190554, 201024, 205212, 217776, 222313, 234528, 244608, 254072, 273616, 285831, 290368, 307818, 312704, 326664, 351792, 366912, 381108, 402048, 410424, 435552, 444626, 469056, 508144, 547232, 571662, 580736, 615636, 653328, 666939, 703584, 733824, 762216, 820848, 871104, 889252, 938112, 1016288, 1094464, 1143324, 1231272, 1306656, 1333878, 1407168, 1524432, 1641696, 1742208, 1778504, 2000817, 2032576, 2188928, 2286648, 2462544, 2613312, 2667756, 2814336, 3048864, 3283392, 3557008, 4001634, 4065152, 4573296, 4925088, 5226624, 5335512, 6097728, 6566784, 7114016, 8003268, 9146592, 9850176, 10671024, 12195456, 14228032, 16006536, 18293184, 19700352, 21342048, 28456064, 32013072, 36586368, 42684096, 64026144, 85368192, 128052288, 256104576]

約数ペア:

[(1, 256104576), (2, 128052288), (3, 85368192), (4, 64026144), (6, 42684096), (7, 36586368), (8, 32013072), (9, 28456064), (12, 21342048), (13, 19700352), (14, 18293184), (16, 16006536), (18, 14228032), (21, 12195456), (24, 10671024), (26, 9850176), (28, 9146592), (32, 8003268), (36, 7114016), (39, 6566784), (42, 6097728), (48, 5335512), (49, 5226624), (52, 4925088), (56, 4573296), (63, 4065152), (64, 4001634), (72, 3557008), (78, 3283392), (84, 3048864), (91, 2814336), (96, 2667756), (98, 2613312), (104, 2462544), (112, 2286648), (117, 2188928), (126, 2032576), (128, 2000817), (144, 1778504), (147, 1742208), (156, 1641696), (168, 1524432), (182, 1407168), (192, 1333878), (196, 1306656), (208, 1231272), (224, 1143324), (234, 1094464), (252, 1016288), (273, 938112), (288, 889252), (294, 871104), (312, 820848), (336, 762216), (349, 733824), (364, 703584), (384, 666939), (392, 653328), (416, 615636), (441, 580736), (448, 571662), (468, 547232), (504, 508144), (546, 469056), (576, 444626), (588, 435552), (624, 410424), (637, 402048), (672, 381108), (698, 366912), (728, 351792), (784, 326664), (819, 312704), (832, 307818), (882, 290368), (896, 285831), (936, 273616), (1008, 254072), (1047, 244608), (1092, 234528), (1152, 222313), (1176, 217776), (1248, 205212), (1274, 201024), (1344, 190554), (1396, 183456), (1456, 175896), (1568, 163332), (1638, 156352), (1664, 153909), (1764, 145184), (1872, 136808), (1911, 134016), (2016, 127036), (2094, 122304), (2184, 117264), (2352, 108888), (2443, 104832), (2496, 102606), (2548, 100512), (2688, 95277), (2792, 91728), (2912, 87948), (3136, 81666), (3141, 81536), (3276, 78176), (3528, 72592), (3744, 68404), (3822, 67008), (4032, 63518), (4188, 61152), (4368, 58632), (4537, 56448), (4704, 54444), (4886, 52416), (4992, 51303), (5096, 50256), (5584, 45864), (5733, 44672), (5824, 43974), (6272, 40833), (6282, 40768), (6552, 39088), (7056, 36296), (7329, 34944), (7488, 34202), (7644, 33504), (8064, 31759), (8376, 30576), (8736, 29316), (9074, 28224), (9408, 27222), (9772, 26208), (10192, 25128), (11168, 22932), (11466, 22336), (11648, 21987), (12564, 20384), (13104, 19544), (13611, 18816), (14112, 18148), (14658, 17472), (14976, 17101), (15288, 16752)]