323928080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1487}}^1$

素因数の和:1896

約数の個数: 80

約数和(自身を含む): 863516160

約数和(自身を除く): 539588080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 389, 560, 778, 1487, 1556, 1945, 2723, 2974, 3112, 3890, 5446, 5948, 6224, 7435, 7780, 10409, 10892, 11896, 13615, 14870, 15560, 20818, 21784, 23792, 27230, 29740, 31120, 41636, 43568, 52045, 54460, 59480, 83272, 104090, 108920, 118960, 166544, 208180, 217840, 416360, 578443, 832720, 1156886, 2313772, 2892215, 4049101, 4627544, 5784430, 8098202, 9255088, 11568860, 16196404, 20245505, 23137720, 32392808, 40491010, 46275440, 64785616, 80982020, 161964040, 323928080]

約数ペア:

[(1, 323928080), (2, 161964040), (4, 80982020), (5, 64785616), (7, 46275440), (8, 40491010), (10, 32392808), (14, 23137720), (16, 20245505), (20, 16196404), (28, 11568860), (35, 9255088), (40, 8098202), (56, 5784430), (70, 4627544), (80, 4049101), (112, 2892215), (140, 2313772), (280, 1156886), (389, 832720), (560, 578443), (778, 416360), (1487, 217840), (1556, 208180), (1945, 166544), (2723, 118960), (2974, 108920), (3112, 104090), (3890, 83272), (5446, 59480), (5948, 54460), (6224, 52045), (7435, 43568), (7780, 41636), (10409, 31120), (10892, 29740), (11896, 27230), (13615, 23792), (14870, 21784), (15560, 20818)]