128373210

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{203767}}^1$

素因数の和:203787

約数の個数: 48

約数和(自身を含む): 381453696

約数和(自身を除く): 253080486

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 203767, 407534, 611301, 1018835, 1222602, 1426369, 1833903, 2037670, 2852738, 3056505, 3667806, 4279107, 6113010, 7131845, 8558214, 9169515, 12837321, 14263690, 18339030, 21395535, 25674642, 42791070, 64186605, 128373210]

約数ペア:

[(1, 128373210), (2, 64186605), (3, 42791070), (5, 25674642), (6, 21395535), (7, 18339030), (9, 14263690), (10, 12837321), (14, 9169515), (15, 8558214), (18, 7131845), (21, 6113010), (30, 4279107), (35, 3667806), (42, 3056505), (45, 2852738), (63, 2037670), (70, 1833903), (90, 1426369), (105, 1222602), (126, 1018835), (210, 611301), (315, 407534), (630, 203767)]