55821920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:253

約数の個数: 192

約数和(自身を含む): 172440576

約数和(自身を除く): 116618656

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 32, 35, 40, 44, 46, 55, 56, 70, 77, 80, 88, 92, 110, 112, 115, 140, 154, 160, 161, 176, 184, 197, 220, 224, 230, 253, 280, 308, 322, 352, 368, 385, 394, 440, 460, 506, 560, 616, 644, 736, 770, 788, 805, 880, 920, 985, 1012, 1120, 1232, 1265, 1288, 1379, 1540, 1576, 1610, 1760, 1771, 1840, 1970, 2024, 2167, 2464, 2530, 2576, 2758, 3080, 3152, 3220, 3542, 3680, 3940, 4048, 4334, 4531, 5060, 5152, 5516, 6160, 6304, 6440, 6895, 7084, 7880, 8096, 8668, 8855, 9062, 10120, 10835, 11032, 12320, 12880, 13790, 14168, 15169, 15760, 17336, 17710, 18124, 20240, 21670, 22064, 22655, 25760, 27580, 28336, 30338, 31520, 31717, 34672, 35420, 36248, 40480, 43340, 44128, 45310, 49841, 55160, 56672, 60676, 63434, 69344, 70840, 72496, 75845, 86680, 90620, 99682, 110320, 121352, 126868, 141680, 144992, 151690, 158585, 173360, 181240, 199364, 220640, 242704, 249205, 253736, 283360, 303380, 317170, 346720, 348887, 362480, 398728, 485408, 498410, 507472, 606760, 634340, 697774, 724960, 797456, 996820, 1014944, 1213520, 1268680, 1395548, 1594912, 1744435, 1993640, 2427040, 2537360, 2791096, 3488870, 3987280, 5074720, 5582192, 6977740, 7974560, 11164384, 13955480, 27910960, 55821920]

約数ペア:

[(1, 55821920), (2, 27910960), (4, 13955480), (5, 11164384), (7, 7974560), (8, 6977740), (10, 5582192), (11, 5074720), (14, 3987280), (16, 3488870), (20, 2791096), (22, 2537360), (23, 2427040), (28, 1993640), (32, 1744435), (35, 1594912), (40, 1395548), (44, 1268680), (46, 1213520), (55, 1014944), (56, 996820), (70, 797456), (77, 724960), (80, 697774), (88, 634340), (92, 606760), (110, 507472), (112, 498410), (115, 485408), (140, 398728), (154, 362480), (160, 348887), (161, 346720), (176, 317170), (184, 303380), (197, 283360), (220, 253736), (224, 249205), (230, 242704), (253, 220640), (280, 199364), (308, 181240), (322, 173360), (352, 158585), (368, 151690), (385, 144992), (394, 141680), (440, 126868), (460, 121352), (506, 110320), (560, 99682), (616, 90620), (644, 86680), (736, 75845), (770, 72496), (788, 70840), (805, 69344), (880, 63434), (920, 60676), (985, 56672), (1012, 55160), (1120, 49841), (1232, 45310), (1265, 44128), (1288, 43340), (1379, 40480), (1540, 36248), (1576, 35420), (1610, 34672), (1760, 31717), (1771, 31520), (1840, 30338), (1970, 28336), (2024, 27580), (2167, 25760), (2464, 22655), (2530, 22064), (2576, 21670), (2758, 20240), (3080, 18124), (3152, 17710), (3220, 17336), (3542, 15760), (3680, 15169), (3940, 14168), (4048, 13790), (4334, 12880), (4531, 12320), (5060, 11032), (5152, 10835), (5516, 10120), (6160, 9062), (6304, 8855), (6440, 8668), (6895, 8096), (7084, 7880)]