638649280

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4567}}^1$

素因数の和:4626

約数の個数: 112

約数和(自身を含む): 1670791680

約数和(自身を除く): 1032142400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 152, 160, 184, 190, 230, 304, 320, 368, 380, 437, 460, 608, 736, 760, 874, 920, 1216, 1472, 1520, 1748, 1840, 2185, 3040, 3496, 3680, 4370, 4567, 6080, 6992, 7360, 8740, 9134, 13984, 17480, 18268, 22835, 27968, 34960, 36536, 45670, 69920, 73072, 86773, 91340, 105041, 139840, 146144, 173546, 182680, 210082, 292288, 347092, 365360, 420164, 433865, 525205, 694184, 730720, 840328, 867730, 1050410, 1388368, 1461440, 1680656, 1735460, 1995779, 2100820, 2776736, 3361312, 3470920, 3991558, 4201640, 5553472, 6722624, 6941840, 7983116, 8403280, 9978895, 13883680, 15966232, 16806560, 19957790, 27767360, 31932464, 33613120, 39915580, 63864928, 79831160, 127729856, 159662320, 319324640, 638649280]

約数ペア:

[(1, 638649280), (2, 319324640), (4, 159662320), (5, 127729856), (8, 79831160), (10, 63864928), (16, 39915580), (19, 33613120), (20, 31932464), (23, 27767360), (32, 19957790), (38, 16806560), (40, 15966232), (46, 13883680), (64, 9978895), (76, 8403280), (80, 7983116), (92, 6941840), (95, 6722624), (115, 5553472), (152, 4201640), (160, 3991558), (184, 3470920), (190, 3361312), (230, 2776736), (304, 2100820), (320, 1995779), (368, 1735460), (380, 1680656), (437, 1461440), (460, 1388368), (608, 1050410), (736, 867730), (760, 840328), (874, 730720), (920, 694184), (1216, 525205), (1472, 433865), (1520, 420164), (1748, 365360), (1840, 347092), (2185, 292288), (3040, 210082), (3496, 182680), (3680, 173546), (4370, 146144), (4567, 139840), (6080, 105041), (6992, 91340), (7360, 86773), (8740, 73072), (9134, 69920), (13984, 45670), (17480, 36536), (18268, 34960), (22835, 27968)]