64040040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{177889}}^1$

素因数の和:177906

約数の個数: 48

約数和(自身を含む): 208131300

約数和(自身を除く): 144091260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 177889, 355778, 533667, 711556, 889445, 1067334, 1423112, 1601001, 1778890, 2134668, 2668335, 3202002, 3557780, 4269336, 5336670, 6404004, 7115560, 8005005, 10673340, 12808008, 16010010, 21346680, 32020020, 64040040]

約数ペア:

[(1, 64040040), (2, 32020020), (3, 21346680), (4, 16010010), (5, 12808008), (6, 10673340), (8, 8005005), (9, 7115560), (10, 6404004), (12, 5336670), (15, 4269336), (18, 3557780), (20, 3202002), (24, 2668335), (30, 2134668), (36, 1778890), (40, 1601001), (45, 1423112), (60, 1067334), (72, 889445), (90, 711556), (120, 533667), (180, 355778), (360, 177889)]