639929280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21503}}^1$

素因数の和:21554

約数の個数: 112

約数和(自身を含む): 2097414144

約数和(自身を除く): 1457484864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 155, 160, 186, 192, 240, 248, 310, 320, 372, 465, 480, 496, 620, 744, 930, 960, 992, 1240, 1488, 1860, 1984, 2480, 2976, 3720, 4960, 5952, 7440, 9920, 14880, 21503, 29760, 43006, 64509, 86012, 107515, 129018, 172024, 215030, 258036, 322545, 344048, 430060, 516072, 645090, 666593, 688096, 860120, 1032144, 1290180, 1333186, 1376192, 1720240, 1999779, 2064288, 2580360, 2666372, 3332965, 3440480, 3999558, 4128576, 5160720, 5332744, 6665930, 6880960, 7999116, 9998895, 10321440, 10665488, 13331860, 15998232, 19997790, 20642880, 21330976, 26663720, 31996464, 39995580, 42661952, 53327440, 63992928, 79991160, 106654880, 127985856, 159982320, 213309760, 319964640, 639929280]

約数ペア:

[(1, 639929280), (2, 319964640), (3, 213309760), (4, 159982320), (5, 127985856), (6, 106654880), (8, 79991160), (10, 63992928), (12, 53327440), (15, 42661952), (16, 39995580), (20, 31996464), (24, 26663720), (30, 21330976), (31, 20642880), (32, 19997790), (40, 15998232), (48, 13331860), (60, 10665488), (62, 10321440), (64, 9998895), (80, 7999116), (93, 6880960), (96, 6665930), (120, 5332744), (124, 5160720), (155, 4128576), (160, 3999558), (186, 3440480), (192, 3332965), (240, 2666372), (248, 2580360), (310, 2064288), (320, 1999779), (372, 1720240), (465, 1376192), (480, 1333186), (496, 1290180), (620, 1032144), (744, 860120), (930, 688096), (960, 666593), (992, 645090), (1240, 516072), (1488, 430060), (1860, 344048), (1984, 322545), (2480, 258036), (2976, 215030), (3720, 172024), (4960, 129018), (5952, 107515), (7440, 86012), (9920, 64509), (14880, 43006), (21503, 29760)]