135399680

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 357127680

約数和(自身を除く): 221728000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 79, 80, 103, 104, 128, 130, 158, 160, 206, 208, 256, 260, 316, 320, 395, 412, 416, 515, 520, 632, 640, 790, 824, 832, 1027, 1030, 1040, 1264, 1280, 1339, 1580, 1648, 1664, 2054, 2060, 2080, 2528, 2678, 3160, 3296, 3328, 4108, 4120, 4160, 5056, 5135, 5356, 6320, 6592, 6695, 8137, 8216, 8240, 8320, 10112, 10270, 10712, 12640, 13184, 13390, 16274, 16432, 16480, 16640, 20224, 20540, 21424, 25280, 26368, 26780, 32548, 32864, 32960, 40685, 41080, 42848, 50560, 53560, 65096, 65728, 65920, 81370, 82160, 85696, 101120, 105781, 107120, 130192, 131456, 131840, 162740, 164320, 171392, 211562, 214240, 260384, 262912, 325480, 328640, 342784, 423124, 428480, 520768, 528905, 650960, 657280, 846248, 856960, 1041536, 1057810, 1301920, 1314560, 1692496, 1713920, 2083072, 2115620, 2603840, 3384992, 4231240, 5207680, 6769984, 8462480, 10415360, 13539968, 16924960, 27079936, 33849920, 67699840, 135399680]

約数ペア:

[(1, 135399680), (2, 67699840), (4, 33849920), (5, 27079936), (8, 16924960), (10, 13539968), (13, 10415360), (16, 8462480), (20, 6769984), (26, 5207680), (32, 4231240), (40, 3384992), (52, 2603840), (64, 2115620), (65, 2083072), (79, 1713920), (80, 1692496), (103, 1314560), (104, 1301920), (128, 1057810), (130, 1041536), (158, 856960), (160, 846248), (206, 657280), (208, 650960), (256, 528905), (260, 520768), (316, 428480), (320, 423124), (395, 342784), (412, 328640), (416, 325480), (515, 262912), (520, 260384), (632, 214240), (640, 211562), (790, 171392), (824, 164320), (832, 162740), (1027, 131840), (1030, 131456), (1040, 130192), (1264, 107120), (1280, 105781), (1339, 101120), (1580, 85696), (1648, 82160), (1664, 81370), (2054, 65920), (2060, 65728), (2080, 65096), (2528, 53560), (2678, 50560), (3160, 42848), (3296, 41080), (3328, 40685), (4108, 32960), (4120, 32864), (4160, 32548), (5056, 26780), (5135, 26368), (5356, 25280), (6320, 21424), (6592, 20540), (6695, 20224), (8137, 16640), (8216, 16480), (8240, 16432), (8320, 16274), (10112, 13390), (10270, 13184), (10712, 12640)]