1339988720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{15241}}^1$

素因数の和:15418

約数の個数: 80

約数和(自身を含む): 3583455168

約数和(自身を除く): 2243466448

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, 2198, 2512, 3140, 4396, 5495, 6280, 8792, 10990, 12560, 15241, 17584, 21980, 30482, 43960, 60964, 76205, 87920, 106687, 121928, 152410, 213374, 243856, 304820, 426748, 533435, 609640, 853496, 1066870, 1219280, 1706992, 2133740, 2392837, 4267480, 4785674, 8534960, 9571348, 11964185, 16749859, 19142696, 23928370, 33499718, 38285392, 47856740, 66999436, 83749295, 95713480, 133998872, 167498590, 191426960, 267997744, 334997180, 669994360, 1339988720]

約数ペア:

[(1, 1339988720), (2, 669994360), (4, 334997180), (5, 267997744), (7, 191426960), (8, 167498590), (10, 133998872), (14, 95713480), (16, 83749295), (20, 66999436), (28, 47856740), (35, 38285392), (40, 33499718), (56, 23928370), (70, 19142696), (80, 16749859), (112, 11964185), (140, 9571348), (157, 8534960), (280, 4785674), (314, 4267480), (560, 2392837), (628, 2133740), (785, 1706992), (1099, 1219280), (1256, 1066870), (1570, 853496), (2198, 609640), (2512, 533435), (3140, 426748), (4396, 304820), (5495, 243856), (6280, 213374), (8792, 152410), (10990, 121928), (12560, 106687), (15241, 87920), (17584, 76205), (21980, 60964), (30482, 43960)]