280281456

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:400

約数の個数: 240

約数和(自身を含む): 981978816

約数和(自身を除く): 701697360

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 52, 56, 63, 72, 73, 78, 84, 91, 104, 112, 117, 126, 144, 146, 156, 168, 182, 208, 219, 234, 252, 273, 292, 293, 312, 336, 364, 438, 468, 504, 511, 546, 584, 586, 624, 657, 728, 819, 876, 879, 936, 949, 1008, 1022, 1092, 1168, 1172, 1314, 1456, 1533, 1638, 1752, 1758, 1872, 1898, 2044, 2051, 2184, 2344, 2628, 2637, 2847, 3066, 3276, 3504, 3516, 3796, 3809, 4088, 4102, 4368, 4599, 4688, 5256, 5274, 5694, 6132, 6153, 6552, 6643, 7032, 7592, 7618, 8176, 8204, 8541, 9198, 10512, 10548, 11388, 11427, 12264, 12306, 13104, 13286, 14064, 15184, 15236, 16408, 17082, 18396, 18459, 19929, 21096, 21389, 22776, 22854, 24528, 24612, 26572, 26663, 30472, 32816, 34164, 34281, 36792, 36918, 39858, 42192, 42778, 45552, 45708, 49224, 53144, 53326, 59787, 60944, 64167, 68328, 68562, 73584, 73836, 79716, 79989, 85556, 91416, 98448, 106288, 106652, 119574, 128334, 136656, 137124, 147672, 149723, 159432, 159978, 171112, 182832, 192501, 213304, 239148, 239967, 256668, 274248, 278057, 295344, 299446, 318864, 319956, 342224, 385002, 426608, 449169, 478296, 479934, 513336, 548496, 556114, 598892, 639912, 770004, 834171, 898338, 956592, 959868, 1026672, 1112228, 1197784, 1279824, 1347507, 1540008, 1668342, 1796676, 1919736, 1946399, 2224456, 2395568, 2502513, 2695014, 3080016, 3336684, 3593352, 3839472, 3892798, 4448912, 5005026, 5390028, 5839197, 6673368, 7186704, 7785596, 10010052, 10780056, 11678394, 13346736, 15571192, 17517591, 20020104, 21560112, 23356788, 31142384, 35035182, 40040208, 46713576, 70070364, 93427152, 140140728, 280281456]

約数ペア:

[(1, 280281456), (2, 140140728), (3, 93427152), (4, 70070364), (6, 46713576), (7, 40040208), (8, 35035182), (9, 31142384), (12, 23356788), (13, 21560112), (14, 20020104), (16, 17517591), (18, 15571192), (21, 13346736), (24, 11678394), (26, 10780056), (28, 10010052), (36, 7785596), (39, 7186704), (42, 6673368), (48, 5839197), (52, 5390028), (56, 5005026), (63, 4448912), (72, 3892798), (73, 3839472), (78, 3593352), (84, 3336684), (91, 3080016), (104, 2695014), (112, 2502513), (117, 2395568), (126, 2224456), (144, 1946399), (146, 1919736), (156, 1796676), (168, 1668342), (182, 1540008), (208, 1347507), (219, 1279824), (234, 1197784), (252, 1112228), (273, 1026672), (292, 959868), (293, 956592), (312, 898338), (336, 834171), (364, 770004), (438, 639912), (468, 598892), (504, 556114), (511, 548496), (546, 513336), (584, 479934), (586, 478296), (624, 449169), (657, 426608), (728, 385002), (819, 342224), (876, 319956), (879, 318864), (936, 299446), (949, 295344), (1008, 278057), (1022, 274248), (1092, 256668), (1168, 239967), (1172, 239148), (1314, 213304), (1456, 192501), (1533, 182832), (1638, 171112), (1752, 159978), (1758, 159432), (1872, 149723), (1898, 147672), (2044, 137124), (2051, 136656), (2184, 128334), (2344, 119574), (2628, 106652), (2637, 106288), (2847, 98448), (3066, 91416), (3276, 85556), (3504, 79989), (3516, 79716), (3796, 73836), (3809, 73584), (4088, 68562), (4102, 68328), (4368, 64167), (4599, 60944), (4688, 59787), (5256, 53326), (5274, 53144), (5694, 49224), (6132, 45708), (6153, 45552), (6552, 42778), (6643, 42192), (7032, 39858), (7592, 36918), (7618, 36792), (8176, 34281), (8204, 34164), (8541, 32816), (9198, 30472), (10512, 26663), (10548, 26572), (11388, 24612), (11427, 24528), (12264, 22854), (12306, 22776), (13104, 21389), (13286, 21096), (14064, 19929), (15184, 18459), (15236, 18396), (16408, 17082)]