997386880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1753}}^1$

素因数の和:1906

約数の個数: 128

約数和(自身を含む): 2748026880

約数和(自身を除く): 1750640000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 128, 140, 160, 224, 254, 280, 320, 448, 508, 560, 635, 640, 889, 896, 1016, 1120, 1270, 1753, 1778, 2032, 2240, 2540, 3506, 3556, 4064, 4445, 4480, 5080, 7012, 7112, 8128, 8765, 8890, 10160, 12271, 14024, 14224, 16256, 17530, 17780, 20320, 24542, 28048, 28448, 35060, 35560, 40640, 49084, 56096, 56896, 61355, 70120, 71120, 81280, 98168, 112192, 113792, 122710, 140240, 142240, 196336, 222631, 224384, 245420, 280480, 284480, 392672, 445262, 490840, 560960, 568960, 785344, 890524, 981680, 1113155, 1121920, 1558417, 1570688, 1781048, 1963360, 2226310, 3116834, 3562096, 3926720, 4452620, 6233668, 7124192, 7792085, 7853440, 8905240, 12467336, 14248384, 15584170, 17810480, 24934672, 28496768, 31168340, 35620960, 49869344, 62336680, 71241920, 99738688, 124673360, 142483840, 199477376, 249346720, 498693440, 997386880]

約数ペア:

[(1, 997386880), (2, 498693440), (4, 249346720), (5, 199477376), (7, 142483840), (8, 124673360), (10, 99738688), (14, 71241920), (16, 62336680), (20, 49869344), (28, 35620960), (32, 31168340), (35, 28496768), (40, 24934672), (56, 17810480), (64, 15584170), (70, 14248384), (80, 12467336), (112, 8905240), (127, 7853440), (128, 7792085), (140, 7124192), (160, 6233668), (224, 4452620), (254, 3926720), (280, 3562096), (320, 3116834), (448, 2226310), (508, 1963360), (560, 1781048), (635, 1570688), (640, 1558417), (889, 1121920), (896, 1113155), (1016, 981680), (1120, 890524), (1270, 785344), (1753, 568960), (1778, 560960), (2032, 490840), (2240, 445262), (2540, 392672), (3506, 284480), (3556, 280480), (4064, 245420), (4445, 224384), (4480, 222631), (5080, 196336), (7012, 142240), (7112, 140240), (8128, 122710), (8765, 113792), (8890, 112192), (10160, 98168), (12271, 81280), (14024, 71120), (14224, 70120), (16256, 61355), (17530, 56896), (17780, 56096), (20320, 49084), (24542, 40640), (28048, 35560), (28448, 35060)]