399222720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10663}}^1$

素因数の和:10699

約数の個数: 168

約数和(自身を含む): 1478926176

約数和(自身を除く): 1079703456

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 390, 416, 468, 480, 520, 576, 585, 624, 720, 780, 832, 936, 960, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 2496, 2880, 3120, 3744, 4160, 4680, 6240, 7488, 9360, 10663, 12480, 18720, 21326, 31989, 37440, 42652, 53315, 63978, 85304, 95967, 106630, 127956, 138619, 159945, 170608, 191934, 213260, 255912, 277238, 319890, 341216, 383868, 415857, 426520, 479835, 511824, 554476, 639780, 682432, 693095, 767736, 831714, 853040, 959670, 1023648, 1108952, 1247571, 1279560, 1386190, 1535472, 1663428, 1706080, 1919340, 2047296, 2079285, 2217904, 2495142, 2559120, 2772380, 3070944, 3326856, 3412160, 3838680, 4158570, 4435808, 4990284, 5118240, 5544760, 6141888, 6237855, 6653712, 7677360, 8317140, 8871616, 9980568, 10236480, 11089520, 12475710, 13307424, 15354720, 16634280, 19961136, 22179040, 24951420, 26614848, 30709440, 33268560, 39922272, 44358080, 49902840, 66537120, 79844544, 99805680, 133074240, 199611360, 399222720]

約数ペア:

[(1, 399222720), (2, 199611360), (3, 133074240), (4, 99805680), (5, 79844544), (6, 66537120), (8, 49902840), (9, 44358080), (10, 39922272), (12, 33268560), (13, 30709440), (15, 26614848), (16, 24951420), (18, 22179040), (20, 19961136), (24, 16634280), (26, 15354720), (30, 13307424), (32, 12475710), (36, 11089520), (39, 10236480), (40, 9980568), (45, 8871616), (48, 8317140), (52, 7677360), (60, 6653712), (64, 6237855), (65, 6141888), (72, 5544760), (78, 5118240), (80, 4990284), (90, 4435808), (96, 4158570), (104, 3838680), (117, 3412160), (120, 3326856), (130, 3070944), (144, 2772380), (156, 2559120), (160, 2495142), (180, 2217904), (192, 2079285), (195, 2047296), (208, 1919340), (234, 1706080), (240, 1663428), (260, 1535472), (288, 1386190), (312, 1279560), (320, 1247571), (360, 1108952), (390, 1023648), (416, 959670), (468, 853040), (480, 831714), (520, 767736), (576, 693095), (585, 682432), (624, 639780), (720, 554476), (780, 511824), (832, 479835), (936, 426520), (960, 415857), (1040, 383868), (1170, 341216), (1248, 319890), (1440, 277238), (1560, 255912), (1872, 213260), (2080, 191934), (2340, 170608), (2496, 159945), (2880, 138619), (3120, 127956), (3744, 106630), (4160, 95967), (4680, 85304), (6240, 63978), (7488, 53315), (9360, 42652), (10663, 37440), (12480, 31989), (18720, 21326)]