21640800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:221

約数の個数: 144

約数和(自身を含む): 71995392

約数和(自身を除く): 50354592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 71, 75, 80, 96, 100, 120, 127, 142, 150, 160, 200, 213, 240, 254, 284, 300, 355, 381, 400, 426, 480, 508, 568, 600, 635, 710, 762, 800, 852, 1016, 1065, 1136, 1200, 1270, 1420, 1524, 1704, 1775, 1905, 2032, 2130, 2272, 2400, 2540, 2840, 3048, 3175, 3408, 3550, 3810, 4064, 4260, 5080, 5325, 5680, 6096, 6350, 6816, 7100, 7620, 8520, 9017, 9525, 10160, 10650, 11360, 12192, 12700, 14200, 15240, 17040, 18034, 19050, 20320, 21300, 25400, 27051, 28400, 30480, 34080, 36068, 38100, 42600, 45085, 50800, 54102, 56800, 60960, 72136, 76200, 85200, 90170, 101600, 108204, 135255, 144272, 152400, 170400, 180340, 216408, 225425, 270510, 288544, 304800, 360680, 432816, 450850, 541020, 676275, 721360, 865632, 901700, 1082040, 1352550, 1442720, 1803400, 2164080, 2705100, 3606800, 4328160, 5410200, 7213600, 10820400, 21640800]

約数ペア:

[(1, 21640800), (2, 10820400), (3, 7213600), (4, 5410200), (5, 4328160), (6, 3606800), (8, 2705100), (10, 2164080), (12, 1803400), (15, 1442720), (16, 1352550), (20, 1082040), (24, 901700), (25, 865632), (30, 721360), (32, 676275), (40, 541020), (48, 450850), (50, 432816), (60, 360680), (71, 304800), (75, 288544), (80, 270510), (96, 225425), (100, 216408), (120, 180340), (127, 170400), (142, 152400), (150, 144272), (160, 135255), (200, 108204), (213, 101600), (240, 90170), (254, 85200), (284, 76200), (300, 72136), (355, 60960), (381, 56800), (400, 54102), (426, 50800), (480, 45085), (508, 42600), (568, 38100), (600, 36068), (635, 34080), (710, 30480), (762, 28400), (800, 27051), (852, 25400), (1016, 21300), (1065, 20320), (1136, 19050), (1200, 18034), (1270, 17040), (1420, 15240), (1524, 14200), (1704, 12700), (1775, 12192), (1905, 11360), (2032, 10650), (2130, 10160), (2272, 9525), (2400, 9017), (2540, 8520), (2840, 7620), (3048, 7100), (3175, 6816), (3408, 6350), (3550, 6096), (3810, 5680), (4064, 5325), (4260, 5080)]