81710550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{1697}}^1$

素因数の和:1822

約数の個数: 72

約数和(自身を含む): 221711256

約数和(自身を除く): 140000706

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 107, 150, 214, 225, 321, 450, 535, 642, 963, 1070, 1605, 1697, 1926, 2675, 3210, 3394, 4815, 5091, 5350, 8025, 8485, 9630, 10182, 15273, 16050, 16970, 24075, 25455, 30546, 42425, 48150, 50910, 76365, 84850, 127275, 152730, 181579, 254550, 363158, 381825, 544737, 763650, 907895, 1089474, 1634211, 1815790, 2723685, 3268422, 4539475, 5447370, 8171055, 9078950, 13618425, 16342110, 27236850, 40855275, 81710550]

約数ペア:

[(1, 81710550), (2, 40855275), (3, 27236850), (5, 16342110), (6, 13618425), (9, 9078950), (10, 8171055), (15, 5447370), (18, 4539475), (25, 3268422), (30, 2723685), (45, 1815790), (50, 1634211), (75, 1089474), (90, 907895), (107, 763650), (150, 544737), (214, 381825), (225, 363158), (321, 254550), (450, 181579), (535, 152730), (642, 127275), (963, 84850), (1070, 76365), (1605, 50910), (1697, 48150), (1926, 42425), (2675, 30546), (3210, 25455), (3394, 24075), (4815, 16970), (5091, 16050), (5350, 15273), (8025, 10182), (8485, 9630)]