890496864

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1493}}^1$

素因数の和:1637

約数の個数: 144

約数和(自身を含む): 2691889200

約数和(自身を除く): 1801392336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 109, 114, 144, 152, 171, 218, 228, 288, 304, 327, 342, 436, 456, 608, 654, 684, 872, 912, 981, 1308, 1368, 1493, 1744, 1824, 1962, 2071, 2616, 2736, 2986, 3488, 3924, 4142, 4479, 5232, 5472, 5972, 6213, 7848, 8284, 8958, 10464, 11944, 12426, 13437, 15696, 16568, 17916, 18639, 23888, 24852, 26874, 28367, 31392, 33136, 35832, 37278, 47776, 49704, 53748, 56734, 66272, 71664, 74556, 85101, 99408, 107496, 113468, 143328, 149112, 162737, 170202, 198816, 214992, 226936, 255303, 298224, 325474, 340404, 429984, 453872, 488211, 510606, 596448, 650948, 680808, 907744, 976422, 1021212, 1301896, 1361616, 1464633, 1952844, 2042424, 2603792, 2723232, 2929266, 3092003, 3905688, 4084848, 5207584, 5858532, 6184006, 7811376, 8169696, 9276009, 11717064, 12368012, 15622752, 18552018, 23434128, 24736024, 27828027, 37104036, 46868256, 49472048, 55656054, 74208072, 98944096, 111312108, 148416144, 222624216, 296832288, 445248432, 890496864]

約数ペア:

[(1, 890496864), (2, 445248432), (3, 296832288), (4, 222624216), (6, 148416144), (8, 111312108), (9, 98944096), (12, 74208072), (16, 55656054), (18, 49472048), (19, 46868256), (24, 37104036), (32, 27828027), (36, 24736024), (38, 23434128), (48, 18552018), (57, 15622752), (72, 12368012), (76, 11717064), (96, 9276009), (109, 8169696), (114, 7811376), (144, 6184006), (152, 5858532), (171, 5207584), (218, 4084848), (228, 3905688), (288, 3092003), (304, 2929266), (327, 2723232), (342, 2603792), (436, 2042424), (456, 1952844), (608, 1464633), (654, 1361616), (684, 1301896), (872, 1021212), (912, 976422), (981, 907744), (1308, 680808), (1368, 650948), (1493, 596448), (1744, 510606), (1824, 488211), (1962, 453872), (2071, 429984), (2616, 340404), (2736, 325474), (2986, 298224), (3488, 255303), (3924, 226936), (4142, 214992), (4479, 198816), (5232, 170202), (5472, 162737), (5972, 149112), (6213, 143328), (7848, 113468), (8284, 107496), (8958, 99408), (10464, 85101), (11944, 74556), (12426, 71664), (13437, 66272), (15696, 56734), (16568, 53748), (17916, 49704), (18639, 47776), (23888, 37278), (24852, 35832), (26874, 33136), (28367, 31392)]