321729440

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{463}}^1$

素因数の和:622

約数の個数: 96

約数和(自身を含む): 787159296

約数和(自身を除く): 465429856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 101, 160, 172, 202, 215, 344, 404, 430, 463, 505, 688, 808, 860, 926, 1010, 1376, 1616, 1720, 1852, 2020, 2315, 3232, 3440, 3704, 4040, 4343, 4630, 6880, 7408, 8080, 8686, 9260, 14816, 16160, 17372, 18520, 19909, 21715, 34744, 37040, 39818, 43430, 46763, 69488, 74080, 79636, 86860, 93526, 99545, 138976, 159272, 173720, 187052, 199090, 233815, 318544, 347440, 374104, 398180, 467630, 637088, 694880, 748208, 796360, 935260, 1496416, 1592720, 1870520, 2010809, 3185440, 3741040, 4021618, 7482080, 8043236, 10054045, 16086472, 20108090, 32172944, 40216180, 64345888, 80432360, 160864720, 321729440]

約数ペア:

[(1, 321729440), (2, 160864720), (4, 80432360), (5, 64345888), (8, 40216180), (10, 32172944), (16, 20108090), (20, 16086472), (32, 10054045), (40, 8043236), (43, 7482080), (80, 4021618), (86, 3741040), (101, 3185440), (160, 2010809), (172, 1870520), (202, 1592720), (215, 1496416), (344, 935260), (404, 796360), (430, 748208), (463, 694880), (505, 637088), (688, 467630), (808, 398180), (860, 374104), (926, 347440), (1010, 318544), (1376, 233815), (1616, 199090), (1720, 187052), (1852, 173720), (2020, 159272), (2315, 138976), (3232, 99545), (3440, 93526), (3704, 86860), (4040, 79636), (4343, 74080), (4630, 69488), (6880, 46763), (7408, 43430), (8080, 39818), (8686, 37040), (9260, 34744), (14816, 21715), (16160, 19909), (17372, 18520)]