81663390

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2459}}^1$

素因数の和:2519

約数の個数: 80

約数和(自身を含む): 225030960

約数和(自身を除く): 143367570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 41, 45, 54, 81, 82, 90, 123, 135, 162, 205, 246, 270, 369, 405, 410, 615, 738, 810, 1107, 1230, 1845, 2214, 2459, 3321, 3690, 4918, 5535, 6642, 7377, 11070, 12295, 14754, 16605, 22131, 24590, 33210, 36885, 44262, 66393, 73770, 100819, 110655, 132786, 199179, 201638, 221310, 302457, 331965, 398358, 504095, 604914, 663930, 907371, 995895, 1008190, 1512285, 1814742, 1991790, 2722113, 3024570, 4536855, 5444226, 8166339, 9073710, 13610565, 16332678, 27221130, 40831695, 81663390]

約数ペア:

[(1, 81663390), (2, 40831695), (3, 27221130), (5, 16332678), (6, 13610565), (9, 9073710), (10, 8166339), (15, 5444226), (18, 4536855), (27, 3024570), (30, 2722113), (41, 1991790), (45, 1814742), (54, 1512285), (81, 1008190), (82, 995895), (90, 907371), (123, 663930), (135, 604914), (162, 504095), (205, 398358), (246, 331965), (270, 302457), (369, 221310), (405, 201638), (410, 199179), (615, 132786), (738, 110655), (810, 100819), (1107, 73770), (1230, 66393), (1845, 44262), (2214, 36885), (2459, 33210), (3321, 24590), (3690, 22131), (4918, 16605), (5535, 14754), (6642, 12295), (7377, 11070)]