72963880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1193}}^1$

素因数の和:1354

約数の個数: 64

約数和(自身を含む): 180532800

約数和(自身を除く): 107568920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 440, 556, 695, 1112, 1193, 1390, 1529, 2386, 2780, 3058, 4772, 5560, 5965, 6116, 7645, 9544, 11930, 12232, 13123, 15290, 23860, 26246, 30580, 47720, 52492, 61160, 65615, 104984, 131230, 165827, 262460, 331654, 524920, 663308, 829135, 1326616, 1658270, 1824097, 3316540, 3648194, 6633080, 7296388, 9120485, 14592776, 18240970, 36481940, 72963880]

約数ペア:

[(1, 72963880), (2, 36481940), (4, 18240970), (5, 14592776), (8, 9120485), (10, 7296388), (11, 6633080), (20, 3648194), (22, 3316540), (40, 1824097), (44, 1658270), (55, 1326616), (88, 829135), (110, 663308), (139, 524920), (220, 331654), (278, 262460), (440, 165827), (556, 131230), (695, 104984), (1112, 65615), (1193, 61160), (1390, 52492), (1529, 47720), (2386, 30580), (2780, 26246), (3058, 23860), (4772, 15290), (5560, 13123), (5965, 12232), (6116, 11930), (7645, 9544)]