1582420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 3870720

約数和(自身を除く): 2288300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 127, 140, 178, 254, 356, 445, 508, 623, 635, 889, 890, 1246, 1270, 1778, 1780, 2492, 2540, 3115, 3556, 4445, 6230, 8890, 11303, 12460, 17780, 22606, 45212, 56515, 79121, 113030, 158242, 226060, 316484, 395605, 791210, 1582420]

約数ペア:

[(1, 1582420), (2, 791210), (4, 395605), (5, 316484), (7, 226060), (10, 158242), (14, 113030), (20, 79121), (28, 56515), (35, 45212), (70, 22606), (89, 17780), (127, 12460), (140, 11303), (178, 8890), (254, 6230), (356, 4445), (445, 3556), (508, 3115), (623, 2540), (635, 2492), (889, 1780), (890, 1778), (1246, 1270)]