82732720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{941}}^1$

素因数の和:1118

約数の個数: 80

約数和(自身を含む): 221467968

約数和(自身を除く): 138735248

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, 941, 1099, 1256, 1570, 1882, 2198, 2512, 3140, 3764, 4396, 4705, 5495, 6280, 6587, 7528, 8792, 9410, 10990, 12560, 13174, 15056, 17584, 18820, 21980, 26348, 32935, 37640, 43960, 52696, 65870, 75280, 87920, 105392, 131740, 147737, 263480, 295474, 526960, 590948, 738685, 1034159, 1181896, 1477370, 2068318, 2363792, 2954740, 4136636, 5170795, 5909480, 8273272, 10341590, 11818960, 16546544, 20683180, 41366360, 82732720]

約数ペア:

[(1, 82732720), (2, 41366360), (4, 20683180), (5, 16546544), (7, 11818960), (8, 10341590), (10, 8273272), (14, 5909480), (16, 5170795), (20, 4136636), (28, 2954740), (35, 2363792), (40, 2068318), (56, 1477370), (70, 1181896), (80, 1034159), (112, 738685), (140, 590948), (157, 526960), (280, 295474), (314, 263480), (560, 147737), (628, 131740), (785, 105392), (941, 87920), (1099, 75280), (1256, 65870), (1570, 52696), (1882, 43960), (2198, 37640), (2512, 32935), (3140, 26348), (3764, 21980), (4396, 18820), (4705, 17584), (5495, 15056), (6280, 13174), (6587, 12560), (7528, 10990), (8792, 9410)]