328974080

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^2\times {\mathrm{139}}^1$

素因数の和:246

約数の個数: 108

約数和(自身を含む): 812551320

約数和(自身を除く): 483577240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 139, 160, 172, 215, 256, 278, 320, 344, 430, 556, 640, 688, 695, 860, 1112, 1280, 1376, 1390, 1720, 1849, 2224, 2752, 2780, 3440, 3698, 4448, 5504, 5560, 5977, 6880, 7396, 8896, 9245, 11008, 11120, 11954, 13760, 14792, 17792, 18490, 22240, 23908, 27520, 29584, 29885, 35584, 36980, 44480, 47816, 55040, 59168, 59770, 73960, 88960, 95632, 118336, 119540, 147920, 177920, 191264, 236672, 239080, 257011, 295840, 382528, 473344, 478160, 514022, 591680, 765056, 956320, 1028044, 1183360, 1285055, 1530112, 1912640, 2056088, 2366720, 2570110, 3825280, 4112176, 5140220, 7650560, 8224352, 10280440, 16448704, 20560880, 32897408, 41121760, 65794816, 82243520, 164487040, 328974080]

約数ペア:

[(1, 328974080), (2, 164487040), (4, 82243520), (5, 65794816), (8, 41121760), (10, 32897408), (16, 20560880), (20, 16448704), (32, 10280440), (40, 8224352), (43, 7650560), (64, 5140220), (80, 4112176), (86, 3825280), (128, 2570110), (139, 2366720), (160, 2056088), (172, 1912640), (215, 1530112), (256, 1285055), (278, 1183360), (320, 1028044), (344, 956320), (430, 765056), (556, 591680), (640, 514022), (688, 478160), (695, 473344), (860, 382528), (1112, 295840), (1280, 257011), (1376, 239080), (1390, 236672), (1720, 191264), (1849, 177920), (2224, 147920), (2752, 119540), (2780, 118336), (3440, 95632), (3698, 88960), (4448, 73960), (5504, 59770), (5560, 59168), (5977, 55040), (6880, 47816), (7396, 44480), (8896, 36980), (9245, 35584), (11008, 29885), (11120, 29584), (11954, 27520), (13760, 23908), (14792, 22240), (17792, 18490)]