129543520

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1068

約数の個数: 96

約数和(自身を含む): 329978880

約数和(自身を除く): 200435360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 76, 80, 86, 95, 152, 160, 172, 190, 215, 304, 344, 380, 430, 608, 688, 760, 817, 860, 991, 1376, 1520, 1634, 1720, 1982, 3040, 3268, 3440, 3964, 4085, 4955, 6536, 6880, 7928, 8170, 9910, 13072, 15856, 16340, 18829, 19820, 26144, 31712, 32680, 37658, 39640, 42613, 65360, 75316, 79280, 85226, 94145, 130720, 150632, 158560, 170452, 188290, 213065, 301264, 340904, 376580, 426130, 602528, 681808, 753160, 809647, 852260, 1363616, 1506320, 1619294, 1704520, 3012640, 3238588, 3409040, 4048235, 6477176, 6818080, 8096470, 12954352, 16192940, 25908704, 32385880, 64771760, 129543520]

約数ペア:

[(1, 129543520), (2, 64771760), (4, 32385880), (5, 25908704), (8, 16192940), (10, 12954352), (16, 8096470), (19, 6818080), (20, 6477176), (32, 4048235), (38, 3409040), (40, 3238588), (43, 3012640), (76, 1704520), (80, 1619294), (86, 1506320), (95, 1363616), (152, 852260), (160, 809647), (172, 753160), (190, 681808), (215, 602528), (304, 426130), (344, 376580), (380, 340904), (430, 301264), (608, 213065), (688, 188290), (760, 170452), (817, 158560), (860, 150632), (991, 130720), (1376, 94145), (1520, 85226), (1634, 79280), (1720, 75316), (1982, 65360), (3040, 42613), (3268, 39640), (3440, 37658), (3964, 32680), (4085, 31712), (4955, 26144), (6536, 19820), (6880, 18829), (7928, 16340), (8170, 15856), (9910, 13072)]