81494700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:432

約数の個数: 144

約数和(自身を含む): 272315904

約数和(自身を除く): 190821204

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 151, 175, 210, 257, 300, 302, 350, 420, 453, 514, 525, 604, 700, 755, 771, 906, 1028, 1050, 1057, 1285, 1510, 1542, 1799, 1812, 2100, 2114, 2265, 2570, 3020, 3084, 3171, 3598, 3775, 3855, 4228, 4530, 5140, 5285, 5397, 6342, 6425, 7196, 7550, 7710, 8995, 9060, 10570, 10794, 11325, 12684, 12850, 15100, 15420, 15855, 17990, 19275, 21140, 21588, 22650, 25700, 26425, 26985, 31710, 35980, 38550, 38807, 44975, 45300, 52850, 53970, 63420, 77100, 77614, 79275, 89950, 105700, 107940, 116421, 134925, 155228, 158550, 179900, 194035, 232842, 269850, 271649, 317100, 388070, 465684, 539700, 543298, 582105, 776140, 814947, 970175, 1086596, 1164210, 1358245, 1629894, 1940350, 2328420, 2716490, 2910525, 3259788, 3880700, 4074735, 5432980, 5821050, 6791225, 8149470, 11642100, 13582450, 16298940, 20373675, 27164900, 40747350, 81494700]

約数ペア:

[(1, 81494700), (2, 40747350), (3, 27164900), (4, 20373675), (5, 16298940), (6, 13582450), (7, 11642100), (10, 8149470), (12, 6791225), (14, 5821050), (15, 5432980), (20, 4074735), (21, 3880700), (25, 3259788), (28, 2910525), (30, 2716490), (35, 2328420), (42, 1940350), (50, 1629894), (60, 1358245), (70, 1164210), (75, 1086596), (84, 970175), (100, 814947), (105, 776140), (140, 582105), (150, 543298), (151, 539700), (175, 465684), (210, 388070), (257, 317100), (300, 271649), (302, 269850), (350, 232842), (420, 194035), (453, 179900), (514, 158550), (525, 155228), (604, 134925), (700, 116421), (755, 107940), (771, 105700), (906, 89950), (1028, 79275), (1050, 77614), (1057, 77100), (1285, 63420), (1510, 53970), (1542, 52850), (1799, 45300), (1812, 44975), (2100, 38807), (2114, 38550), (2265, 35980), (2570, 31710), (3020, 26985), (3084, 26425), (3171, 25700), (3598, 22650), (3775, 21588), (3855, 21140), (4228, 19275), (4530, 17990), (5140, 15855), (5285, 15420), (5397, 15100), (6342, 12850), (6425, 12684), (7196, 11325), (7550, 10794), (7710, 10570), (8995, 9060)]