1820554008

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{601}}^1$

素因数の和:722

約数の個数: 256

約数和(自身を含む): 5987251200

約数和(自身を除く): 4166697192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 19, 21, 24, 26, 28, 38, 39, 42, 52, 56, 57, 73, 76, 78, 84, 91, 104, 114, 133, 146, 152, 156, 168, 182, 219, 228, 247, 266, 273, 292, 312, 364, 399, 438, 456, 494, 511, 532, 546, 584, 601, 728, 741, 798, 876, 949, 988, 1022, 1064, 1092, 1202, 1387, 1482, 1533, 1596, 1729, 1752, 1803, 1898, 1976, 2044, 2184, 2404, 2774, 2847, 2964, 3066, 3192, 3458, 3606, 3796, 4088, 4161, 4207, 4808, 5187, 5548, 5694, 5928, 6132, 6643, 6916, 7212, 7592, 7813, 8322, 8414, 9709, 10374, 11096, 11388, 11419, 12264, 12621, 13286, 13832, 14424, 15626, 16644, 16828, 18031, 19418, 19929, 20748, 22776, 22838, 23439, 25242, 26572, 29127, 31252, 33288, 33656, 34257, 36062, 38836, 39858, 41496, 43873, 45676, 46878, 50484, 53144, 54093, 54691, 58254, 62504, 68514, 72124, 77672, 79716, 79933, 87746, 91352, 93756, 100968, 108186, 109382, 116508, 126217, 131619, 137028, 144248, 148447, 159432, 159866, 164073, 175492, 187512, 216372, 218764, 233016, 239799, 252434, 263238, 274056, 296894, 307111, 319732, 328146, 350984, 378651, 432744, 437528, 445341, 479598, 504868, 526476, 570349, 593788, 614222, 639464, 656292, 757302, 833587, 890682, 921333, 959196, 1009736, 1039129, 1052952, 1140698, 1187576, 1228444, 1312584, 1514604, 1667174, 1711047, 1781364, 1842666, 1918392, 2078258, 2281396, 2456888, 2500761, 3029208, 3117387, 3334348, 3422094, 3562728, 3685332, 3992443, 4156516, 4562792, 5001522, 5835109, 6234774, 6668696, 6844188, 7370664, 7984886, 8313032, 10003044, 10836631, 11670218, 11977329, 12469548, 13688376, 15969772, 17505327, 20006088, 21673262, 23340436, 23954658, 24939096, 31939544, 32509893, 35010654, 43346524, 46680872, 47909316, 65019786, 70021308, 75856417, 86693048, 95818632, 130039572, 140042616, 151712834, 227569251, 260079144, 303425668, 455138502, 606851336, 910277004, 1820554008]

約数ペア:

[(1, 1820554008), (2, 910277004), (3, 606851336), (4, 455138502), (6, 303425668), (7, 260079144), (8, 227569251), (12, 151712834), (13, 140042616), (14, 130039572), (19, 95818632), (21, 86693048), (24, 75856417), (26, 70021308), (28, 65019786), (38, 47909316), (39, 46680872), (42, 43346524), (52, 35010654), (56, 32509893), (57, 31939544), (73, 24939096), (76, 23954658), (78, 23340436), (84, 21673262), (91, 20006088), (104, 17505327), (114, 15969772), (133, 13688376), (146, 12469548), (152, 11977329), (156, 11670218), (168, 10836631), (182, 10003044), (219, 8313032), (228, 7984886), (247, 7370664), (266, 6844188), (273, 6668696), (292, 6234774), (312, 5835109), (364, 5001522), (399, 4562792), (438, 4156516), (456, 3992443), (494, 3685332), (511, 3562728), (532, 3422094), (546, 3334348), (584, 3117387), (601, 3029208), (728, 2500761), (741, 2456888), (798, 2281396), (876, 2078258), (949, 1918392), (988, 1842666), (1022, 1781364), (1064, 1711047), (1092, 1667174), (1202, 1514604), (1387, 1312584), (1482, 1228444), (1533, 1187576), (1596, 1140698), (1729, 1052952), (1752, 1039129), (1803, 1009736), (1898, 959196), (1976, 921333), (2044, 890682), (2184, 833587), (2404, 757302), (2774, 656292), (2847, 639464), (2964, 614222), (3066, 593788), (3192, 570349), (3458, 526476), (3606, 504868), (3796, 479598), (4088, 445341), (4161, 437528), (4207, 432744), (4808, 378651), (5187, 350984), (5548, 328146), (5694, 319732), (5928, 307111), (6132, 296894), (6643, 274056), (6916, 263238), (7212, 252434), (7592, 239799), (7813, 233016), (8322, 218764), (8414, 216372), (9709, 187512), (10374, 175492), (11096, 164073), (11388, 159866), (11419, 159432), (12264, 148447), (12621, 144248), (13286, 137028), (13832, 131619), (14424, 126217), (15626, 116508), (16644, 109382), (16828, 108186), (18031, 100968), (19418, 93756), (19929, 91352), (20748, 87746), (22776, 79933), (22838, 79716), (23439, 77672), (25242, 72124), (26572, 68514), (29127, 62504), (31252, 58254), (33288, 54691), (33656, 54093), (34257, 53144), (36062, 50484), (38836, 46878), (39858, 45676), (41496, 43873)]