128108790

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1451}}^1$

素因数の和:1579

約数の個数: 80

約数和(自身を含む): 347870160

約数和(自身を除く): 219761370

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, 981, 1090, 1451, 1635, 1962, 2902, 2943, 3270, 4353, 4905, 5886, 7255, 8706, 8829, 9810, 13059, 14510, 14715, 17658, 21765, 26118, 29430, 39177, 43530, 44145, 65295, 78354, 88290, 117531, 130590, 158159, 195885, 235062, 316318, 391770, 474477, 587655, 790795, 948954, 1175310, 1423431, 1581590, 2372385, 2846862, 4270293, 4744770, 7117155, 8540586, 12810879, 14234310, 21351465, 25621758, 42702930, 64054395, 128108790]

約数ペア:

[(1, 128108790), (2, 64054395), (3, 42702930), (5, 25621758), (6, 21351465), (9, 14234310), (10, 12810879), (15, 8540586), (18, 7117155), (27, 4744770), (30, 4270293), (45, 2846862), (54, 2372385), (81, 1581590), (90, 1423431), (109, 1175310), (135, 948954), (162, 790795), (218, 587655), (270, 474477), (327, 391770), (405, 316318), (545, 235062), (654, 195885), (810, 158159), (981, 130590), (1090, 117531), (1451, 88290), (1635, 78354), (1962, 65295), (2902, 44145), (2943, 43530), (3270, 39177), (4353, 29430), (4905, 26118), (5886, 21765), (7255, 17658), (8706, 14715), (8829, 14510), (9810, 13059)]