68461440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:400

約数の個数: 128

約数和(自身を含む): 220540320

約数和(自身を除く): 152078880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 181, 192, 197, 240, 320, 362, 384, 394, 480, 543, 591, 640, 724, 788, 905, 960, 985, 1086, 1182, 1448, 1576, 1810, 1920, 1970, 2172, 2364, 2715, 2896, 2955, 3152, 3620, 3940, 4344, 4728, 5430, 5792, 5910, 6304, 7240, 7880, 8688, 9456, 10860, 11584, 11820, 12608, 14480, 15760, 17376, 18912, 21720, 23168, 23640, 25216, 28960, 31520, 34752, 35657, 37824, 43440, 47280, 57920, 63040, 69504, 71314, 75648, 86880, 94560, 106971, 115840, 126080, 142628, 173760, 178285, 189120, 213942, 285256, 347520, 356570, 378240, 427884, 534855, 570512, 713140, 855768, 1069710, 1141024, 1426280, 1711536, 2139420, 2282048, 2852560, 3423072, 4278840, 4564096, 5705120, 6846144, 8557680, 11410240, 13692288, 17115360, 22820480, 34230720, 68461440]

約数ペア:

[(1, 68461440), (2, 34230720), (3, 22820480), (4, 17115360), (5, 13692288), (6, 11410240), (8, 8557680), (10, 6846144), (12, 5705120), (15, 4564096), (16, 4278840), (20, 3423072), (24, 2852560), (30, 2282048), (32, 2139420), (40, 1711536), (48, 1426280), (60, 1141024), (64, 1069710), (80, 855768), (96, 713140), (120, 570512), (128, 534855), (160, 427884), (181, 378240), (192, 356570), (197, 347520), (240, 285256), (320, 213942), (362, 189120), (384, 178285), (394, 173760), (480, 142628), (543, 126080), (591, 115840), (640, 106971), (724, 94560), (788, 86880), (905, 75648), (960, 71314), (985, 69504), (1086, 63040), (1182, 57920), (1448, 47280), (1576, 43440), (1810, 37824), (1920, 35657), (1970, 34752), (2172, 31520), (2364, 28960), (2715, 25216), (2896, 23640), (2955, 23168), (3152, 21720), (3620, 18912), (3940, 17376), (4344, 15760), (4728, 14480), (5430, 12608), (5792, 11820), (5910, 11584), (6304, 10860), (7240, 9456), (7880, 8688)]