1280448

素因数分解:

$2^6\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:56

約数の個数: 140

約数和(自身を含む): 4302760

約数和(自身を除く): 3022312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 27, 32, 36, 38, 39, 48, 52, 54, 57, 64, 72, 76, 78, 81, 96, 104, 108, 114, 117, 144, 152, 156, 162, 171, 192, 208, 216, 228, 234, 247, 288, 304, 312, 324, 342, 351, 416, 432, 456, 468, 494, 513, 576, 608, 624, 648, 684, 702, 741, 832, 864, 912, 936, 988, 1026, 1053, 1216, 1248, 1296, 1368, 1404, 1482, 1539, 1728, 1824, 1872, 1976, 2052, 2106, 2223, 2496, 2592, 2736, 2808, 2964, 3078, 3648, 3744, 3952, 4104, 4212, 4446, 5184, 5472, 5616, 5928, 6156, 6669, 7488, 7904, 8208, 8424, 8892, 10944, 11232, 11856, 12312, 13338, 15808, 16416, 16848, 17784, 20007, 22464, 23712, 24624, 26676, 32832, 33696, 35568, 40014, 47424, 49248, 53352, 67392, 71136, 80028, 98496, 106704, 142272, 160056, 213408, 320112, 426816, 640224, 1280448]

約数ペア:

[(1, 1280448), (2, 640224), (3, 426816), (4, 320112), (6, 213408), (8, 160056), (9, 142272), (12, 106704), (13, 98496), (16, 80028), (18, 71136), (19, 67392), (24, 53352), (26, 49248), (27, 47424), (32, 40014), (36, 35568), (38, 33696), (39, 32832), (48, 26676), (52, 24624), (54, 23712), (57, 22464), (64, 20007), (72, 17784), (76, 16848), (78, 16416), (81, 15808), (96, 13338), (104, 12312), (108, 11856), (114, 11232), (117, 10944), (144, 8892), (152, 8424), (156, 8208), (162, 7904), (171, 7488), (192, 6669), (208, 6156), (216, 5928), (228, 5616), (234, 5472), (247, 5184), (288, 4446), (304, 4212), (312, 4104), (324, 3952), (342, 3744), (351, 3648), (416, 3078), (432, 2964), (456, 2808), (468, 2736), (494, 2592), (513, 2496), (576, 2223), (608, 2106), (624, 2052), (648, 1976), (684, 1872), (702, 1824), (741, 1728), (832, 1539), (864, 1482), (912, 1404), (936, 1368), (988, 1296), (1026, 1248), (1053, 1216)]