316958720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2381}}^1$

素因数の和:2421

約数の個数: 96

約数和(自身を含む): 819360360

約数和(自身を除く): 502401640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1024, 1040, 1280, 1664, 2048, 2080, 2381, 2560, 3328, 4160, 4762, 5120, 6656, 8320, 9524, 10240, 11905, 13312, 16640, 19048, 23810, 26624, 30953, 33280, 38096, 47620, 61906, 66560, 76192, 95240, 123812, 133120, 152384, 154765, 190480, 247624, 304768, 309530, 380960, 495248, 609536, 619060, 761920, 990496, 1219072, 1238120, 1523840, 1980992, 2438144, 2476240, 3047680, 3961984, 4876288, 4952480, 6095360, 7923968, 9904960, 12190720, 15847936, 19809920, 24381440, 31695872, 39619840, 63391744, 79239680, 158479360, 316958720]

約数ペア:

[(1, 316958720), (2, 158479360), (4, 79239680), (5, 63391744), (8, 39619840), (10, 31695872), (13, 24381440), (16, 19809920), (20, 15847936), (26, 12190720), (32, 9904960), (40, 7923968), (52, 6095360), (64, 4952480), (65, 4876288), (80, 3961984), (104, 3047680), (128, 2476240), (130, 2438144), (160, 1980992), (208, 1523840), (256, 1238120), (260, 1219072), (320, 990496), (416, 761920), (512, 619060), (520, 609536), (640, 495248), (832, 380960), (1024, 309530), (1040, 304768), (1280, 247624), (1664, 190480), (2048, 154765), (2080, 152384), (2381, 133120), (2560, 123812), (3328, 95240), (4160, 76192), (4762, 66560), (5120, 61906), (6656, 47620), (8320, 38096), (9524, 33280), (10240, 30953), (11905, 26624), (13312, 23810), (16640, 19048)]