689267680

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1193}}^1$

素因数の和:1388

約数の個数: 96

約数和(自身を含む): 1711450944

約数和(自身を除く): 1022183264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 157, 160, 184, 230, 314, 368, 460, 628, 736, 785, 920, 1193, 1256, 1570, 1840, 2386, 2512, 3140, 3611, 3680, 4772, 5024, 5965, 6280, 7222, 9544, 11930, 12560, 14444, 18055, 19088, 23860, 25120, 27439, 28888, 36110, 38176, 47720, 54878, 57776, 72220, 95440, 109756, 115552, 137195, 144440, 187301, 190880, 219512, 274390, 288880, 374602, 439024, 548780, 577760, 749204, 878048, 936505, 1097560, 1498408, 1873010, 2195120, 2996816, 3746020, 4307923, 4390240, 5993632, 7492040, 8615846, 14984080, 17231692, 21539615, 29968160, 34463384, 43079230, 68926768, 86158460, 137853536, 172316920, 344633840, 689267680]

約数ペア:

[(1, 689267680), (2, 344633840), (4, 172316920), (5, 137853536), (8, 86158460), (10, 68926768), (16, 43079230), (20, 34463384), (23, 29968160), (32, 21539615), (40, 17231692), (46, 14984080), (80, 8615846), (92, 7492040), (115, 5993632), (157, 4390240), (160, 4307923), (184, 3746020), (230, 2996816), (314, 2195120), (368, 1873010), (460, 1498408), (628, 1097560), (736, 936505), (785, 878048), (920, 749204), (1193, 577760), (1256, 548780), (1570, 439024), (1840, 374602), (2386, 288880), (2512, 274390), (3140, 219512), (3611, 190880), (3680, 187301), (4772, 144440), (5024, 137195), (5965, 115552), (6280, 109756), (7222, 95440), (9544, 72220), (11930, 57776), (12560, 54878), (14444, 47720), (18055, 38176), (19088, 36110), (23860, 28888), (25120, 27439)]