266277760

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{1213}}^1$

素因数の和:1253

約数の個数: 128

約数和(自身を含む): 742968000

約数和(自身を除く): 476690240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 640, 686, 784, 896, 980, 1120, 1213, 1372, 1568, 1715, 1960, 2240, 2426, 2744, 3136, 3430, 3920, 4480, 4852, 5488, 6065, 6272, 6860, 7840, 8491, 9704, 10976, 12130, 13720, 15680, 16982, 19408, 21952, 24260, 27440, 31360, 33964, 38816, 42455, 43904, 48520, 54880, 59437, 67928, 77632, 84910, 97040, 109760, 118874, 135856, 155264, 169820, 194080, 219520, 237748, 271712, 297185, 339640, 388160, 416059, 475496, 543424, 594370, 679280, 776320, 832118, 950992, 1086848, 1188740, 1358560, 1664236, 1901984, 2080295, 2377480, 2717120, 3328472, 3803968, 4160590, 4754960, 5434240, 6656944, 7607936, 8321180, 9509920, 13313888, 16642360, 19019840, 26627776, 33284720, 38039680, 53255552, 66569440, 133138880, 266277760]

約数ペア:

[(1, 266277760), (2, 133138880), (4, 66569440), (5, 53255552), (7, 38039680), (8, 33284720), (10, 26627776), (14, 19019840), (16, 16642360), (20, 13313888), (28, 9509920), (32, 8321180), (35, 7607936), (40, 6656944), (49, 5434240), (56, 4754960), (64, 4160590), (70, 3803968), (80, 3328472), (98, 2717120), (112, 2377480), (128, 2080295), (140, 1901984), (160, 1664236), (196, 1358560), (224, 1188740), (245, 1086848), (280, 950992), (320, 832118), (343, 776320), (392, 679280), (448, 594370), (490, 543424), (560, 475496), (640, 416059), (686, 388160), (784, 339640), (896, 297185), (980, 271712), (1120, 237748), (1213, 219520), (1372, 194080), (1568, 169820), (1715, 155264), (1960, 135856), (2240, 118874), (2426, 109760), (2744, 97040), (3136, 84910), (3430, 77632), (3920, 67928), (4480, 59437), (4852, 54880), (5488, 48520), (6065, 43904), (6272, 42455), (6860, 38816), (7840, 33964), (8491, 31360), (9704, 27440), (10976, 24260), (12130, 21952), (13720, 19408), (15680, 16982)]