155897680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{439}}^1$

素因数の和:668

約数の個数: 80

約数和(自身を含む): 381047040

約数和(自身を除く): 225149360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 193, 230, 368, 386, 439, 460, 772, 878, 920, 965, 1544, 1756, 1840, 1930, 2195, 3088, 3512, 3860, 4390, 4439, 7024, 7720, 8780, 8878, 10097, 15440, 17560, 17756, 20194, 22195, 35120, 35512, 40388, 44390, 50485, 71024, 80776, 84727, 88780, 100970, 161552, 169454, 177560, 201940, 338908, 355120, 403880, 423635, 677816, 807760, 847270, 1355632, 1694540, 1948721, 3389080, 3897442, 6778160, 7794884, 9743605, 15589768, 19487210, 31179536, 38974420, 77948840, 155897680]

約数ペア:

[(1, 155897680), (2, 77948840), (4, 38974420), (5, 31179536), (8, 19487210), (10, 15589768), (16, 9743605), (20, 7794884), (23, 6778160), (40, 3897442), (46, 3389080), (80, 1948721), (92, 1694540), (115, 1355632), (184, 847270), (193, 807760), (230, 677816), (368, 423635), (386, 403880), (439, 355120), (460, 338908), (772, 201940), (878, 177560), (920, 169454), (965, 161552), (1544, 100970), (1756, 88780), (1840, 84727), (1930, 80776), (2195, 71024), (3088, 50485), (3512, 44390), (3860, 40388), (4390, 35512), (4439, 35120), (7024, 22195), (7720, 20194), (8780, 17756), (8878, 17560), (10097, 15440)]