309989808

素因数分解:

$2^4\times 3^3\times {\mathrm{739}}^1\times {\mathrm{971}}^1$

素因数の和:1727

約数の個数: 80

約数和(自身を含む): 891907200

約数和(自身を除く): 581917392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 739, 971, 1478, 1942, 2217, 2913, 2956, 3884, 4434, 5826, 5912, 6651, 7768, 8739, 8868, 11652, 11824, 13302, 15536, 17478, 17736, 19953, 23304, 26217, 26604, 34956, 35472, 39906, 46608, 52434, 53208, 69912, 79812, 104868, 106416, 139824, 159624, 209736, 319248, 419472, 717569, 1435138, 2152707, 2870276, 4305414, 5740552, 6458121, 8610828, 11481104, 12916242, 17221656, 19374363, 25832484, 34443312, 38748726, 51664968, 77497452, 103329936, 154994904, 309989808]

約数ペア:

[(1, 309989808), (2, 154994904), (3, 103329936), (4, 77497452), (6, 51664968), (8, 38748726), (9, 34443312), (12, 25832484), (16, 19374363), (18, 17221656), (24, 12916242), (27, 11481104), (36, 8610828), (48, 6458121), (54, 5740552), (72, 4305414), (108, 2870276), (144, 2152707), (216, 1435138), (432, 717569), (739, 419472), (971, 319248), (1478, 209736), (1942, 159624), (2217, 139824), (2913, 106416), (2956, 104868), (3884, 79812), (4434, 69912), (5826, 53208), (5912, 52434), (6651, 46608), (7768, 39906), (8739, 35472), (8868, 34956), (11652, 26604), (11824, 26217), (13302, 23304), (15536, 19953), (17478, 17736)]