20160741915

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{971}}^1$

素因数の和:1194

約数の個数: 128

約数和(自身を含む): 38799129600

約数和(自身を除く): 18638387685

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 83, 85, 109, 135, 153, 249, 255, 327, 415, 459, 545, 747, 765, 971, 981, 1245, 1411, 1635, 1853, 2241, 2295, 2913, 2943, 3735, 4233, 4855, 4905, 5559, 7055, 8739, 9047, 9265, 11205, 12699, 14565, 14715, 16507, 16677, 21165, 26217, 27141, 27795, 38097, 43695, 45235, 49521, 50031, 63495, 80593, 81423, 82535, 83385, 105839, 131085, 135705, 148563, 153799, 190485, 241779, 244269, 247605, 250155, 317517, 402965, 407115, 445689, 461397, 529195, 725337, 742815, 768995, 952551, 1208895, 1221345, 1370081, 1384191, 1587585, 1799263, 2176011, 2228445, 2306985, 2857653, 3626685, 4110243, 4152573, 4762755, 5397789, 6850405, 6920955, 8784637, 8996315, 10880055, 12330729, 14288265, 16193367, 20551215, 20762865, 26353911, 26988945, 36992187, 43923185, 48580101, 61653645, 79061733, 80966835, 131769555, 149338829, 184960935, 237185199, 242900505, 395308665, 448016487, 746694145, 1185925995, 1344049461, 2240082435, 4032148383, 6720247305, 20160741915]

約数ペア:

[(1, 20160741915), (3, 6720247305), (5, 4032148383), (9, 2240082435), (15, 1344049461), (17, 1185925995), (27, 746694145), (45, 448016487), (51, 395308665), (83, 242900505), (85, 237185199), (109, 184960935), (135, 149338829), (153, 131769555), (249, 80966835), (255, 79061733), (327, 61653645), (415, 48580101), (459, 43923185), (545, 36992187), (747, 26988945), (765, 26353911), (971, 20762865), (981, 20551215), (1245, 16193367), (1411, 14288265), (1635, 12330729), (1853, 10880055), (2241, 8996315), (2295, 8784637), (2913, 6920955), (2943, 6850405), (3735, 5397789), (4233, 4762755), (4855, 4152573), (4905, 4110243), (5559, 3626685), (7055, 2857653), (8739, 2306985), (9047, 2228445), (9265, 2176011), (11205, 1799263), (12699, 1587585), (14565, 1384191), (14715, 1370081), (16507, 1221345), (16677, 1208895), (21165, 952551), (26217, 768995), (27141, 742815), (27795, 725337), (38097, 529195), (43695, 461397), (45235, 445689), (49521, 407115), (50031, 402965), (63495, 317517), (80593, 250155), (81423, 247605), (82535, 244269), (83385, 241779), (105839, 190485), (131085, 153799), (135705, 148563)]