128253888

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1$

素因数の和:512

約数の個数: 224

約数和(自身を含む): 450616320

約数和(自身を除く): 322362432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 27, 28, 32, 36, 42, 46, 48, 54, 56, 63, 64, 69, 72, 84, 92, 96, 108, 112, 126, 138, 144, 161, 168, 184, 189, 192, 207, 216, 224, 252, 276, 288, 322, 336, 368, 378, 414, 432, 448, 461, 483, 504, 552, 576, 621, 644, 672, 736, 756, 828, 864, 922, 966, 1008, 1104, 1242, 1288, 1344, 1383, 1449, 1472, 1512, 1656, 1728, 1844, 1932, 2016, 2208, 2484, 2576, 2766, 2898, 3024, 3227, 3312, 3688, 3864, 4032, 4149, 4347, 4416, 4968, 5152, 5532, 5796, 6048, 6454, 6624, 7376, 7728, 8298, 8694, 9681, 9936, 10304, 10603, 11064, 11592, 12096, 12447, 12908, 13248, 14752, 15456, 16596, 17388, 19362, 19872, 21206, 22128, 23184, 24894, 25816, 29043, 29504, 30912, 31809, 33192, 34776, 38724, 39744, 42412, 44256, 46368, 49788, 51632, 58086, 63618, 66384, 69552, 74221, 77448, 84824, 87129, 88512, 92736, 95427, 99576, 103264, 116172, 127236, 132768, 139104, 148442, 154896, 169648, 174258, 190854, 199152, 206528, 222663, 232344, 254472, 265536, 278208, 286281, 296884, 309792, 339296, 348516, 381708, 398304, 445326, 464688, 508944, 572562, 593768, 619584, 667989, 678592, 697032, 763416, 796608, 890652, 929376, 1017888, 1145124, 1187536, 1335978, 1394064, 1526832, 1781304, 1858752, 2003967, 2035776, 2290248, 2375072, 2671956, 2788128, 3053664, 3562608, 4007934, 4580496, 4750144, 5343912, 5576256, 6107328, 7125216, 8015868, 9160992, 10687824, 14250432, 16031736, 18321984, 21375648, 32063472, 42751296, 64126944, 128253888]

約数ペア:

[(1, 128253888), (2, 64126944), (3, 42751296), (4, 32063472), (6, 21375648), (7, 18321984), (8, 16031736), (9, 14250432), (12, 10687824), (14, 9160992), (16, 8015868), (18, 7125216), (21, 6107328), (23, 5576256), (24, 5343912), (27, 4750144), (28, 4580496), (32, 4007934), (36, 3562608), (42, 3053664), (46, 2788128), (48, 2671956), (54, 2375072), (56, 2290248), (63, 2035776), (64, 2003967), (69, 1858752), (72, 1781304), (84, 1526832), (92, 1394064), (96, 1335978), (108, 1187536), (112, 1145124), (126, 1017888), (138, 929376), (144, 890652), (161, 796608), (168, 763416), (184, 697032), (189, 678592), (192, 667989), (207, 619584), (216, 593768), (224, 572562), (252, 508944), (276, 464688), (288, 445326), (322, 398304), (336, 381708), (368, 348516), (378, 339296), (414, 309792), (432, 296884), (448, 286281), (461, 278208), (483, 265536), (504, 254472), (552, 232344), (576, 222663), (621, 206528), (644, 199152), (672, 190854), (736, 174258), (756, 169648), (828, 154896), (864, 148442), (922, 139104), (966, 132768), (1008, 127236), (1104, 116172), (1242, 103264), (1288, 99576), (1344, 95427), (1383, 92736), (1449, 88512), (1472, 87129), (1512, 84824), (1656, 77448), (1728, 74221), (1844, 69552), (1932, 66384), (2016, 63618), (2208, 58086), (2484, 51632), (2576, 49788), (2766, 46368), (2898, 44256), (3024, 42412), (3227, 39744), (3312, 38724), (3688, 34776), (3864, 33192), (4032, 31809), (4149, 30912), (4347, 29504), (4416, 29043), (4968, 25816), (5152, 24894), (5532, 23184), (5796, 22128), (6048, 21206), (6454, 19872), (6624, 19362), (7376, 17388), (7728, 16596), (8298, 15456), (8694, 14752), (9681, 13248), (9936, 12908), (10304, 12447), (10603, 12096), (11064, 11592)]