398839680

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{23081}}^1$

素因数の和:23109

約数の個数: 128

約数和(自身を含む): 1412618400

約数和(自身を除く): 1013778720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280, 23081, 46162, 69243, 92324, 115405, 138486, 184648, 207729, 230810, 276972, 346215, 369296, 415458, 461620, 553944, 623187, 692430, 738592, 830916, 923240, 1038645, 1107888, 1246374, 1384860, 1477184, 1661832, 1846480, 2077290, 2215776, 2492748, 2769720, 2954368, 3115935, 3323664, 3692960, 4154580, 4431552, 4985496, 5539440, 6231870, 6647328, 7385920, 8309160, 8863104, 9970992, 11078880, 12463740, 13294656, 14771840, 16618320, 19941984, 22157760, 24927480, 26589312, 33236640, 39883968, 44315520, 49854960, 66473280, 79767936, 99709920, 132946560, 199419840, 398839680]

約数ペア:

[(1, 398839680), (2, 199419840), (3, 132946560), (4, 99709920), (5, 79767936), (6, 66473280), (8, 49854960), (9, 44315520), (10, 39883968), (12, 33236640), (15, 26589312), (16, 24927480), (18, 22157760), (20, 19941984), (24, 16618320), (27, 14771840), (30, 13294656), (32, 12463740), (36, 11078880), (40, 9970992), (45, 8863104), (48, 8309160), (54, 7385920), (60, 6647328), (64, 6231870), (72, 5539440), (80, 4985496), (90, 4431552), (96, 4154580), (108, 3692960), (120, 3323664), (128, 3115935), (135, 2954368), (144, 2769720), (160, 2492748), (180, 2215776), (192, 2077290), (216, 1846480), (240, 1661832), (270, 1477184), (288, 1384860), (320, 1246374), (360, 1107888), (384, 1038645), (432, 923240), (480, 830916), (540, 738592), (576, 692430), (640, 623187), (720, 553944), (864, 461620), (960, 415458), (1080, 369296), (1152, 346215), (1440, 276972), (1728, 230810), (1920, 207729), (2160, 184648), (2880, 138486), (3456, 115405), (4320, 92324), (5760, 69243), (8640, 46162), (17280, 23081)]