25439580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1789}}^1$

素因数の和:1883

約数の個数: 72

約数和(自身を含む): 78187200

約数和(自身を除く): 52747620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 1789, 2370, 2844, 3555, 3578, 4740, 5367, 7110, 7156, 8945, 10734, 14220, 16101, 17890, 21468, 26835, 32202, 35780, 53670, 64404, 80505, 107340, 141331, 161010, 282662, 322020, 423993, 565324, 706655, 847986, 1271979, 1413310, 1695972, 2119965, 2543958, 2826620, 4239930, 5087916, 6359895, 8479860, 12719790, 25439580]

約数ペア:

[(1, 25439580), (2, 12719790), (3, 8479860), (4, 6359895), (5, 5087916), (6, 4239930), (9, 2826620), (10, 2543958), (12, 2119965), (15, 1695972), (18, 1413310), (20, 1271979), (30, 847986), (36, 706655), (45, 565324), (60, 423993), (79, 322020), (90, 282662), (158, 161010), (180, 141331), (237, 107340), (316, 80505), (395, 64404), (474, 53670), (711, 35780), (790, 32202), (948, 26835), (1185, 21468), (1422, 17890), (1580, 16101), (1789, 14220), (2370, 10734), (2844, 8945), (3555, 7156), (3578, 7110), (4740, 5367)]