721180416

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4493}}^1$

素因数の和:4542

約数の個数: 144

約数和(自身を含む): 2204576640

約数和(自身を除く): 1483396224

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 32, 33, 38, 44, 48, 57, 64, 66, 76, 88, 96, 114, 128, 132, 152, 176, 192, 209, 228, 256, 264, 304, 352, 384, 418, 456, 528, 608, 627, 704, 768, 836, 912, 1056, 1216, 1254, 1408, 1672, 1824, 2112, 2432, 2508, 2816, 3344, 3648, 4224, 4493, 4864, 5016, 6688, 7296, 8448, 8986, 10032, 13376, 13479, 14592, 17972, 20064, 26752, 26958, 35944, 40128, 49423, 53504, 53916, 71888, 80256, 85367, 98846, 107832, 143776, 148269, 160512, 170734, 197692, 215664, 256101, 287552, 296538, 341468, 395384, 431328, 512202, 575104, 593076, 682936, 790768, 862656, 939037, 1024404, 1150208, 1186152, 1365872, 1581536, 1725312, 1878074, 2048808, 2372304, 2731744, 2817111, 3163072, 3450624, 3756148, 4097616, 4744608, 5463488, 5634222, 6326144, 7512296, 8195232, 9489216, 10926976, 11268444, 12652288, 15024592, 16390464, 18978432, 21853952, 22536888, 30049184, 32780928, 37956864, 45073776, 60098368, 65561856, 90147552, 120196736, 180295104, 240393472, 360590208, 721180416]

約数ペア:

[(1, 721180416), (2, 360590208), (3, 240393472), (4, 180295104), (6, 120196736), (8, 90147552), (11, 65561856), (12, 60098368), (16, 45073776), (19, 37956864), (22, 32780928), (24, 30049184), (32, 22536888), (33, 21853952), (38, 18978432), (44, 16390464), (48, 15024592), (57, 12652288), (64, 11268444), (66, 10926976), (76, 9489216), (88, 8195232), (96, 7512296), (114, 6326144), (128, 5634222), (132, 5463488), (152, 4744608), (176, 4097616), (192, 3756148), (209, 3450624), (228, 3163072), (256, 2817111), (264, 2731744), (304, 2372304), (352, 2048808), (384, 1878074), (418, 1725312), (456, 1581536), (528, 1365872), (608, 1186152), (627, 1150208), (704, 1024404), (768, 939037), (836, 862656), (912, 790768), (1056, 682936), (1216, 593076), (1254, 575104), (1408, 512202), (1672, 431328), (1824, 395384), (2112, 341468), (2432, 296538), (2508, 287552), (2816, 256101), (3344, 215664), (3648, 197692), (4224, 170734), (4493, 160512), (4864, 148269), (5016, 143776), (6688, 107832), (7296, 98846), (8448, 85367), (8986, 80256), (10032, 71888), (13376, 53916), (13479, 53504), (14592, 49423), (17972, 40128), (20064, 35944), (26752, 26958)]