73927280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{18859}}^1$

素因数の和:18886

約数の個数: 60

約数和(自身を含む): 199953720

約数和(自身を除く): 126026440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 18859, 37718, 75436, 94295, 132013, 150872, 188590, 264026, 301744, 377180, 528052, 660065, 754360, 924091, 1056104, 1320130, 1508720, 1848182, 2112208, 2640260, 3696364, 4620455, 5280520, 7392728, 9240910, 10561040, 14785456, 18481820, 36963640, 73927280]

約数ペア:

[(1, 73927280), (2, 36963640), (4, 18481820), (5, 14785456), (7, 10561040), (8, 9240910), (10, 7392728), (14, 5280520), (16, 4620455), (20, 3696364), (28, 2640260), (35, 2112208), (40, 1848182), (49, 1508720), (56, 1320130), (70, 1056104), (80, 924091), (98, 754360), (112, 660065), (140, 528052), (196, 377180), (245, 301744), (280, 264026), (392, 188590), (490, 150872), (560, 132013), (784, 94295), (980, 75436), (1960, 37718), (3920, 18859)]