690913440

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{68543}}^1$

素因数の和:68571

約数の個数: 144

約数和(自身を含む): 2694601728

約数和(自身を除く): 2003688288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 68543, 137086, 205629, 274172, 342715, 411258, 479801, 548344, 616887, 685430, 822516, 959602, 1028145, 1096688, 1233774, 1370860, 1439403, 1645032, 1919204, 2056290, 2193376, 2399005, 2467548, 2741720, 2878806, 3084435, 3290064, 3838408, 4112580, 4318209, 4798010, 4935096, 5483440, 5757612, 6168870, 6580128, 7197015, 7676816, 8225160, 8636418, 9596020, 9870192, 10966880, 11515224, 12337740, 14394030, 15353632, 16450320, 17272836, 19192040, 19740384, 21591045, 23030448, 24675480, 28788060, 32900640, 34545672, 38384080, 43182090, 46060896, 49350960, 57576120, 69091344, 76768160, 86364180, 98701920, 115152240, 138182688, 172728360, 230304480, 345456720, 690913440]

約数ペア:

[(1, 690913440), (2, 345456720), (3, 230304480), (4, 172728360), (5, 138182688), (6, 115152240), (7, 98701920), (8, 86364180), (9, 76768160), (10, 69091344), (12, 57576120), (14, 49350960), (15, 46060896), (16, 43182090), (18, 38384080), (20, 34545672), (21, 32900640), (24, 28788060), (28, 24675480), (30, 23030448), (32, 21591045), (35, 19740384), (36, 19192040), (40, 17272836), (42, 16450320), (45, 15353632), (48, 14394030), (56, 12337740), (60, 11515224), (63, 10966880), (70, 9870192), (72, 9596020), (80, 8636418), (84, 8225160), (90, 7676816), (96, 7197015), (105, 6580128), (112, 6168870), (120, 5757612), (126, 5483440), (140, 4935096), (144, 4798010), (160, 4318209), (168, 4112580), (180, 3838408), (210, 3290064), (224, 3084435), (240, 2878806), (252, 2741720), (280, 2467548), (288, 2399005), (315, 2193376), (336, 2056290), (360, 1919204), (420, 1645032), (480, 1439403), (504, 1370860), (560, 1233774), (630, 1096688), (672, 1028145), (720, 959602), (840, 822516), (1008, 685430), (1120, 616887), (1260, 548344), (1440, 479801), (1680, 411258), (2016, 342715), (2520, 274172), (3360, 205629), (5040, 137086), (10080, 68543)]