68450480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3943}}^1$

素因数の和:3994

約数の個数: 80

約数和(自身を含む): 187797504

約数和(自身を除く): 119347024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 3943, 4340, 7886, 8680, 15772, 17360, 19715, 27601, 31544, 39430, 55202, 63088, 78860, 110404, 122233, 138005, 157720, 220808, 244466, 276010, 315440, 441616, 488932, 552020, 611165, 855631, 977864, 1104040, 1222330, 1711262, 1955728, 2208080, 2444660, 3422524, 4278155, 4889320, 6845048, 8556310, 9778640, 13690096, 17112620, 34225240, 68450480]

約数ペア:

[(1, 68450480), (2, 34225240), (4, 17112620), (5, 13690096), (7, 9778640), (8, 8556310), (10, 6845048), (14, 4889320), (16, 4278155), (20, 3422524), (28, 2444660), (31, 2208080), (35, 1955728), (40, 1711262), (56, 1222330), (62, 1104040), (70, 977864), (80, 855631), (112, 611165), (124, 552020), (140, 488932), (155, 441616), (217, 315440), (248, 276010), (280, 244466), (310, 220808), (434, 157720), (496, 138005), (560, 122233), (620, 110404), (868, 78860), (1085, 63088), (1240, 55202), (1736, 39430), (2170, 31544), (2480, 27601), (3472, 19715), (3943, 17360), (4340, 15772), (7886, 8680)]