81509130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2063}}^1$

素因数の和:2515

約数の個数: 48

約数和(自身を含む): 212509440

約数和(自身を除く): 131000310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 439, 878, 1317, 2063, 2195, 2634, 3951, 4126, 4390, 6189, 6585, 7902, 10315, 12378, 13170, 18567, 19755, 20630, 30945, 37134, 39510, 61890, 92835, 185670, 905657, 1811314, 2716971, 4528285, 5433942, 8150913, 9056570, 13584855, 16301826, 27169710, 40754565, 81509130]

約数ペア:

[(1, 81509130), (2, 40754565), (3, 27169710), (5, 16301826), (6, 13584855), (9, 9056570), (10, 8150913), (15, 5433942), (18, 4528285), (30, 2716971), (45, 1811314), (90, 905657), (439, 185670), (878, 92835), (1317, 61890), (2063, 39510), (2195, 37134), (2634, 30945), (3951, 20630), (4126, 19755), (4390, 18567), (6189, 13170), (6585, 12378), (7902, 10315)]