56778800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:271

約数の個数: 120

約数和(自身を含む): 150146640

約数和(自身を除く): 93367840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 61, 65, 80, 100, 104, 122, 130, 179, 200, 208, 244, 260, 305, 325, 358, 400, 488, 520, 610, 650, 716, 793, 895, 976, 1040, 1220, 1300, 1432, 1525, 1586, 1790, 2327, 2440, 2600, 2864, 3050, 3172, 3580, 3965, 4475, 4654, 4880, 5200, 6100, 6344, 7160, 7930, 8950, 9308, 10919, 11635, 12200, 12688, 14320, 15860, 17900, 18616, 19825, 21838, 23270, 24400, 31720, 35800, 37232, 39650, 43676, 46540, 54595, 58175, 63440, 71600, 79300, 87352, 93080, 109190, 116350, 141947, 158600, 174704, 186160, 218380, 232700, 272975, 283894, 317200, 436760, 465400, 545950, 567788, 709735, 873520, 930800, 1091900, 1135576, 1419470, 2183800, 2271152, 2838940, 3548675, 4367600, 5677880, 7097350, 11355760, 14194700, 28389400, 56778800]

約数ペア:

[(1, 56778800), (2, 28389400), (4, 14194700), (5, 11355760), (8, 7097350), (10, 5677880), (13, 4367600), (16, 3548675), (20, 2838940), (25, 2271152), (26, 2183800), (40, 1419470), (50, 1135576), (52, 1091900), (61, 930800), (65, 873520), (80, 709735), (100, 567788), (104, 545950), (122, 465400), (130, 436760), (179, 317200), (200, 283894), (208, 272975), (244, 232700), (260, 218380), (305, 186160), (325, 174704), (358, 158600), (400, 141947), (488, 116350), (520, 109190), (610, 93080), (650, 87352), (716, 79300), (793, 71600), (895, 63440), (976, 58175), (1040, 54595), (1220, 46540), (1300, 43676), (1432, 39650), (1525, 37232), (1586, 35800), (1790, 31720), (2327, 24400), (2440, 23270), (2600, 21838), (2864, 19825), (3050, 18616), (3172, 17900), (3580, 15860), (3965, 14320), (4475, 12688), (4654, 12200), (4880, 11635), (5200, 10919), (6100, 9308), (6344, 8950), (7160, 7930)]