66138730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{43}}^2\times {\mathrm{73}}^1$

素因数の和:180

約数の個数: 72

約数和(自身を含む): 143724132

約数和(自身を除く): 77585402

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 49, 70, 73, 86, 98, 146, 215, 245, 301, 365, 430, 490, 511, 602, 730, 1022, 1505, 1849, 2107, 2555, 3010, 3139, 3577, 3698, 4214, 5110, 6278, 7154, 9245, 10535, 12943, 15695, 17885, 18490, 21070, 21973, 25886, 31390, 35770, 43946, 64715, 90601, 109865, 129430, 134977, 153811, 181202, 219730, 269954, 307622, 453005, 674885, 769055, 906010, 944839, 1349770, 1538110, 1889678, 4724195, 6613873, 9448390, 13227746, 33069365, 66138730]

約数ペア:

[(1, 66138730), (2, 33069365), (5, 13227746), (7, 9448390), (10, 6613873), (14, 4724195), (35, 1889678), (43, 1538110), (49, 1349770), (70, 944839), (73, 906010), (86, 769055), (98, 674885), (146, 453005), (215, 307622), (245, 269954), (301, 219730), (365, 181202), (430, 153811), (490, 134977), (511, 129430), (602, 109865), (730, 90601), (1022, 64715), (1505, 43946), (1849, 35770), (2107, 31390), (2555, 25886), (3010, 21973), (3139, 21070), (3577, 18490), (3698, 17885), (4214, 15695), (5110, 12943), (6278, 10535), (7154, 9245)]