219070720

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15559}}^1$

素因数の和:15591

約数の個数: 72

約数和(自身を含む): 572483520

約数和(自身を除く): 353412800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 7040, 14080, 15559, 31118, 62236, 77795, 124472, 155590, 171149, 248944, 311180, 342298, 497888, 622360, 684596, 855745, 995776, 1244720, 1369192, 1711490, 1991552, 2489440, 2738384, 3422980, 3983104, 4978880, 5476768, 6845960, 9957760, 10953536, 13691920, 19915520, 21907072, 27383840, 43814144, 54767680, 109535360, 219070720]

約数ペア:

[(1, 219070720), (2, 109535360), (4, 54767680), (5, 43814144), (8, 27383840), (10, 21907072), (11, 19915520), (16, 13691920), (20, 10953536), (22, 9957760), (32, 6845960), (40, 5476768), (44, 4978880), (55, 3983104), (64, 3422980), (80, 2738384), (88, 2489440), (110, 1991552), (128, 1711490), (160, 1369192), (176, 1244720), (220, 995776), (256, 855745), (320, 684596), (352, 622360), (440, 497888), (640, 342298), (704, 311180), (880, 248944), (1280, 171149), (1408, 155590), (1760, 124472), (2816, 77795), (3520, 62236), (7040, 31118), (14080, 15559)]