79136820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{347}}^1$

素因数の和:550

約数の個数: 144

約数和(自身を含む): 276651648

約数和(自身を除く): 197514828

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 181, 210, 252, 315, 347, 362, 420, 543, 630, 694, 724, 905, 1041, 1086, 1260, 1267, 1388, 1629, 1735, 1810, 2082, 2172, 2429, 2534, 2715, 3123, 3258, 3470, 3620, 3801, 4164, 4858, 5068, 5205, 5430, 6246, 6335, 6516, 6940, 7287, 7602, 8145, 9716, 10410, 10860, 11403, 12145, 12492, 12670, 14574, 15204, 15615, 16290, 19005, 20820, 21861, 22806, 24290, 25340, 29148, 31230, 32580, 36435, 38010, 43722, 45612, 48580, 57015, 62460, 62807, 72870, 76020, 87444, 109305, 114030, 125614, 145740, 188421, 218610, 228060, 251228, 314035, 376842, 437220, 439649, 565263, 628070, 753684, 879298, 942105, 1130526, 1256140, 1318947, 1758596, 1884210, 2198245, 2261052, 2637894, 2826315, 3768420, 3956841, 4396490, 5275788, 5652630, 6594735, 7913682, 8792980, 11305260, 13189470, 15827364, 19784205, 26378940, 39568410, 79136820]

約数ペア:

[(1, 79136820), (2, 39568410), (3, 26378940), (4, 19784205), (5, 15827364), (6, 13189470), (7, 11305260), (9, 8792980), (10, 7913682), (12, 6594735), (14, 5652630), (15, 5275788), (18, 4396490), (20, 3956841), (21, 3768420), (28, 2826315), (30, 2637894), (35, 2261052), (36, 2198245), (42, 1884210), (45, 1758596), (60, 1318947), (63, 1256140), (70, 1130526), (84, 942105), (90, 879298), (105, 753684), (126, 628070), (140, 565263), (180, 439649), (181, 437220), (210, 376842), (252, 314035), (315, 251228), (347, 228060), (362, 218610), (420, 188421), (543, 145740), (630, 125614), (694, 114030), (724, 109305), (905, 87444), (1041, 76020), (1086, 72870), (1260, 62807), (1267, 62460), (1388, 57015), (1629, 48580), (1735, 45612), (1810, 43722), (2082, 38010), (2172, 36435), (2429, 32580), (2534, 31230), (2715, 29148), (3123, 25340), (3258, 24290), (3470, 22806), (3620, 21861), (3801, 20820), (4164, 19005), (4858, 16290), (5068, 15615), (5205, 15204), (5430, 14574), (6246, 12670), (6335, 12492), (6516, 12145), (6940, 11403), (7287, 10860), (7602, 10410), (8145, 9716)]