81138510

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{919}}^1$

素因数の和:1047

約数の個数: 80

約数和(自身を含む): 220413600

約数和(自身を除く): 139275090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 109, 135, 162, 218, 270, 327, 405, 545, 654, 810, 919, 981, 1090, 1635, 1838, 1962, 2757, 2943, 3270, 4595, 4905, 5514, 5886, 8271, 8829, 9190, 9810, 13785, 14715, 16542, 17658, 24813, 27570, 29430, 41355, 44145, 49626, 74439, 82710, 88290, 100171, 124065, 148878, 200342, 248130, 300513, 372195, 500855, 601026, 744390, 901539, 1001710, 1502565, 1803078, 2704617, 3005130, 4507695, 5409234, 8113851, 9015390, 13523085, 16227702, 27046170, 40569255, 81138510]

約数ペア:

[(1, 81138510), (2, 40569255), (3, 27046170), (5, 16227702), (6, 13523085), (9, 9015390), (10, 8113851), (15, 5409234), (18, 4507695), (27, 3005130), (30, 2704617), (45, 1803078), (54, 1502565), (81, 1001710), (90, 901539), (109, 744390), (135, 601026), (162, 500855), (218, 372195), (270, 300513), (327, 248130), (405, 200342), (545, 148878), (654, 124065), (810, 100171), (919, 88290), (981, 82710), (1090, 74439), (1635, 49626), (1838, 44145), (1962, 41355), (2757, 29430), (2943, 27570), (3270, 24813), (4595, 17658), (4905, 16542), (5514, 14715), (5886, 13785), (8271, 9810), (8829, 9190)]