71278520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1429}}^1$

素因数の和:1512

約数の個数: 64

約数和(自身を含む): 169884000

約数和(自身を除く): 98605480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 43, 58, 86, 116, 145, 172, 215, 232, 290, 344, 430, 580, 860, 1160, 1247, 1429, 1720, 2494, 2858, 4988, 5716, 6235, 7145, 9976, 11432, 12470, 14290, 24940, 28580, 41441, 49880, 57160, 61447, 82882, 122894, 165764, 207205, 245788, 307235, 331528, 414410, 491576, 614470, 828820, 1228940, 1657640, 1781963, 2457880, 3563926, 7127852, 8909815, 14255704, 17819630, 35639260, 71278520]

約数ペア:

[(1, 71278520), (2, 35639260), (4, 17819630), (5, 14255704), (8, 8909815), (10, 7127852), (20, 3563926), (29, 2457880), (40, 1781963), (43, 1657640), (58, 1228940), (86, 828820), (116, 614470), (145, 491576), (172, 414410), (215, 331528), (232, 307235), (290, 245788), (344, 207205), (430, 165764), (580, 122894), (860, 82882), (1160, 61447), (1247, 57160), (1429, 49880), (1720, 41441), (2494, 28580), (2858, 24940), (4988, 14290), (5716, 12470), (6235, 11432), (7145, 9976)]