640224

素因数分解:

$2^5\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:54

約数の個数: 120

約数和(自身を含む): 2134440

約数和(自身を除く): 1494216

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, 72, 76, 78, 81, 96, 104, 108, 114, 117, 144, 152, 156, 162, 171, 208, 216, 228, 234, 247, 288, 304, 312, 324, 342, 351, 416, 432, 456, 468, 494, 513, 608, 624, 648, 684, 702, 741, 864, 912, 936, 988, 1026, 1053, 1248, 1296, 1368, 1404, 1482, 1539, 1824, 1872, 1976, 2052, 2106, 2223, 2592, 2736, 2808, 2964, 3078, 3744, 3952, 4104, 4212, 4446, 5472, 5616, 5928, 6156, 6669, 7904, 8208, 8424, 8892, 11232, 11856, 12312, 13338, 16416, 16848, 17784, 20007, 23712, 24624, 26676, 33696, 35568, 40014, 49248, 53352, 71136, 80028, 106704, 160056, 213408, 320112, 640224]

約数ペア:

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