140759920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1601}}^1$

素因数の和:1778

約数の個数: 80

約数和(自身を含む): 376636608

約数和(自身を除く): 235876688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 560, 628, 785, 1099, 1256, 1570, 1601, 2198, 2512, 3140, 3202, 4396, 5495, 6280, 6404, 8005, 8792, 10990, 11207, 12560, 12808, 16010, 17584, 21980, 22414, 25616, 32020, 43960, 44828, 56035, 64040, 87920, 89656, 112070, 128080, 179312, 224140, 251357, 448280, 502714, 896560, 1005428, 1256785, 1759499, 2010856, 2513570, 3518998, 4021712, 5027140, 7037996, 8797495, 10054280, 14075992, 17594990, 20108560, 28151984, 35189980, 70379960, 140759920]

約数ペア:

[(1, 140759920), (2, 70379960), (4, 35189980), (5, 28151984), (7, 20108560), (8, 17594990), (10, 14075992), (14, 10054280), (16, 8797495), (20, 7037996), (28, 5027140), (35, 4021712), (40, 3518998), (56, 2513570), (70, 2010856), (80, 1759499), (112, 1256785), (140, 1005428), (157, 896560), (280, 502714), (314, 448280), (560, 251357), (628, 224140), (785, 179312), (1099, 128080), (1256, 112070), (1570, 89656), (1601, 87920), (2198, 64040), (2512, 56035), (3140, 44828), (3202, 43960), (4396, 32020), (5495, 25616), (6280, 22414), (6404, 21980), (8005, 17584), (8792, 16010), (10990, 12808), (11207, 12560)]