20851615360

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{28111}}^1$

素因数の和:28210

約数の個数: 128

約数和(自身を含む): 53334086400

約数和(自身を除く): 32482471040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 61, 64, 76, 80, 95, 122, 128, 152, 160, 190, 244, 304, 305, 320, 380, 488, 608, 610, 640, 760, 976, 1159, 1216, 1220, 1520, 1952, 2318, 2432, 2440, 3040, 3904, 4636, 4880, 5795, 6080, 7808, 9272, 9760, 11590, 12160, 18544, 19520, 23180, 28111, 37088, 39040, 46360, 56222, 74176, 92720, 112444, 140555, 148352, 185440, 224888, 281110, 370880, 449776, 534109, 562220, 741760, 899552, 1068218, 1124440, 1714771, 1799104, 2136436, 2248880, 2670545, 3429542, 3598208, 4272872, 4497760, 5341090, 6859084, 8545744, 8573855, 8995520, 10682180, 13718168, 17091488, 17147710, 17991040, 21364360, 27436336, 32580649, 34182976, 34295420, 42728720, 54872672, 65161298, 68365952, 68590840, 85457440, 109745344, 130322596, 137181680, 162903245, 170914880, 219490688, 260645192, 274363360, 325806490, 341829760, 521290384, 548726720, 651612980, 1042580768, 1097453440, 1303225960, 2085161536, 2606451920, 4170323072, 5212903840, 10425807680, 20851615360]

約数ペア:

[(1, 20851615360), (2, 10425807680), (4, 5212903840), (5, 4170323072), (8, 2606451920), (10, 2085161536), (16, 1303225960), (19, 1097453440), (20, 1042580768), (32, 651612980), (38, 548726720), (40, 521290384), (61, 341829760), (64, 325806490), (76, 274363360), (80, 260645192), (95, 219490688), (122, 170914880), (128, 162903245), (152, 137181680), (160, 130322596), (190, 109745344), (244, 85457440), (304, 68590840), (305, 68365952), (320, 65161298), (380, 54872672), (488, 42728720), (608, 34295420), (610, 34182976), (640, 32580649), (760, 27436336), (976, 21364360), (1159, 17991040), (1216, 17147710), (1220, 17091488), (1520, 13718168), (1952, 10682180), (2318, 8995520), (2432, 8573855), (2440, 8545744), (3040, 6859084), (3904, 5341090), (4636, 4497760), (4880, 4272872), (5795, 3598208), (6080, 3429542), (7808, 2670545), (9272, 2248880), (9760, 2136436), (11590, 1799104), (12160, 1714771), (18544, 1124440), (19520, 1068218), (23180, 899552), (28111, 741760), (37088, 562220), (39040, 534109), (46360, 449776), (56222, 370880), (74176, 281110), (92720, 224888), (112444, 185440), (140555, 148352)]