20151452580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{123341}}^1$

素因数の和:123749

約数の個数: 96

約数和(自身を含む): 64650942720

約数和(自身を除く): 44499490140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 389, 420, 778, 1167, 1556, 1945, 2334, 2723, 3890, 4668, 5446, 5835, 7780, 8169, 10892, 11670, 13615, 16338, 23340, 27230, 32676, 40845, 54460, 81690, 123341, 163380, 246682, 370023, 493364, 616705, 740046, 863387, 1233410, 1480092, 1726774, 1850115, 2466820, 2590161, 3453548, 3700230, 4316935, 5180322, 7400460, 8633870, 10360644, 12950805, 17267740, 25901610, 47979649, 51803220, 95959298, 143938947, 191918596, 239898245, 287877894, 335857543, 479796490, 575755788, 671715086, 719694735, 959592980, 1007572629, 1343430172, 1439389470, 1679287715, 2015145258, 2878778940, 3358575430, 4030290516, 5037863145, 6717150860, 10075726290, 20151452580]

約数ペア:

[(1, 20151452580), (2, 10075726290), (3, 6717150860), (4, 5037863145), (5, 4030290516), (6, 3358575430), (7, 2878778940), (10, 2015145258), (12, 1679287715), (14, 1439389470), (15, 1343430172), (20, 1007572629), (21, 959592980), (28, 719694735), (30, 671715086), (35, 575755788), (42, 479796490), (60, 335857543), (70, 287877894), (84, 239898245), (105, 191918596), (140, 143938947), (210, 95959298), (389, 51803220), (420, 47979649), (778, 25901610), (1167, 17267740), (1556, 12950805), (1945, 10360644), (2334, 8633870), (2723, 7400460), (3890, 5180322), (4668, 4316935), (5446, 3700230), (5835, 3453548), (7780, 2590161), (8169, 2466820), (10892, 1850115), (11670, 1726774), (13615, 1480092), (16338, 1233410), (23340, 863387), (27230, 740046), (32676, 616705), (40845, 493364), (54460, 370023), (81690, 246682), (123341, 163380)]