81346560

素因数分解:

$2^{14}\times 3^1\times 5^1\times {\mathrm{331}}^1$

素因数の和:367

約数の個数: 120

約数和(自身を含む): 261087456

約数和(自身を除く): 179740896

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, 192, 240, 256, 320, 331, 384, 480, 512, 640, 662, 768, 960, 993, 1024, 1280, 1324, 1536, 1655, 1920, 1986, 2048, 2560, 2648, 3072, 3310, 3840, 3972, 4096, 4965, 5120, 5296, 6144, 6620, 7680, 7944, 8192, 9930, 10240, 10592, 12288, 13240, 15360, 15888, 16384, 19860, 20480, 21184, 24576, 26480, 30720, 31776, 39720, 40960, 42368, 49152, 52960, 61440, 63552, 79440, 81920, 84736, 105920, 122880, 127104, 158880, 169472, 211840, 245760, 254208, 317760, 338944, 423680, 508416, 635520, 677888, 847360, 1016832, 1271040, 1355776, 1694720, 2033664, 2542080, 2711552, 3389440, 4067328, 5084160, 5423104, 6778880, 8134656, 10168320, 13557760, 16269312, 20336640, 27115520, 40673280, 81346560]

約数ペア:

[(1, 81346560), (2, 40673280), (3, 27115520), (4, 20336640), (5, 16269312), (6, 13557760), (8, 10168320), (10, 8134656), (12, 6778880), (15, 5423104), (16, 5084160), (20, 4067328), (24, 3389440), (30, 2711552), (32, 2542080), (40, 2033664), (48, 1694720), (60, 1355776), (64, 1271040), (80, 1016832), (96, 847360), (120, 677888), (128, 635520), (160, 508416), (192, 423680), (240, 338944), (256, 317760), (320, 254208), (331, 245760), (384, 211840), (480, 169472), (512, 158880), (640, 127104), (662, 122880), (768, 105920), (960, 84736), (993, 81920), (1024, 79440), (1280, 63552), (1324, 61440), (1536, 52960), (1655, 49152), (1920, 42368), (1986, 40960), (2048, 39720), (2560, 31776), (2648, 30720), (3072, 26480), (3310, 24576), (3840, 21184), (3972, 20480), (4096, 19860), (4965, 16384), (5120, 15888), (5296, 15360), (6144, 13240), (6620, 12288), (7680, 10592), (7944, 10240), (8192, 9930)]