15662688940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{359}}^1\times {\mathrm{523}}^1$

素因数の和:1031

約数の個数: 96

約数和(自身を含む): 34163458560

約数和(自身を除く): 18500769620

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 97, 172, 194, 215, 359, 388, 430, 485, 523, 718, 860, 970, 1046, 1436, 1795, 1940, 2092, 2615, 3590, 4171, 5230, 7180, 8342, 10460, 15437, 16684, 20855, 22489, 30874, 34823, 41710, 44978, 50731, 61748, 69646, 77185, 83420, 89956, 101462, 112445, 139292, 154370, 174115, 187757, 202924, 224890, 253655, 308740, 348230, 375514, 449780, 507310, 696460, 751028, 938785, 1014620, 1497389, 1877570, 2181433, 2994778, 3755140, 4362866, 5989556, 7486945, 8073551, 8725732, 10907165, 14973890, 16147102, 18212429, 21814330, 29947780, 32294204, 36424858, 40367755, 43628660, 72849716, 80735510, 91062145, 161471020, 182124290, 364248580, 783134447, 1566268894, 3132537788, 3915672235, 7831344470, 15662688940]

約数ペア:

[(1, 15662688940), (2, 7831344470), (4, 3915672235), (5, 3132537788), (10, 1566268894), (20, 783134447), (43, 364248580), (86, 182124290), (97, 161471020), (172, 91062145), (194, 80735510), (215, 72849716), (359, 43628660), (388, 40367755), (430, 36424858), (485, 32294204), (523, 29947780), (718, 21814330), (860, 18212429), (970, 16147102), (1046, 14973890), (1436, 10907165), (1795, 8725732), (1940, 8073551), (2092, 7486945), (2615, 5989556), (3590, 4362866), (4171, 3755140), (5230, 2994778), (7180, 2181433), (8342, 1877570), (10460, 1497389), (15437, 1014620), (16684, 938785), (20855, 751028), (22489, 696460), (30874, 507310), (34823, 449780), (41710, 375514), (44978, 348230), (50731, 308740), (61748, 253655), (69646, 224890), (77185, 202924), (83420, 187757), (89956, 174115), (101462, 154370), (112445, 139292)]