15705039640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{839}}^1\times {\mathrm{10883}}^1$

素因数の和:11776

約数の個数: 64

約数和(自身を含む): 36204537600

約数和(自身を除く): 20499497960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 839, 860, 1678, 1720, 3356, 4195, 6712, 8390, 10883, 16780, 21766, 33560, 36077, 43532, 54415, 72154, 87064, 108830, 144308, 180385, 217660, 288616, 360770, 435320, 467969, 721540, 935938, 1443080, 1871876, 2339845, 3743752, 4679690, 9130837, 9359380, 18261674, 18718760, 36523348, 45654185, 73046696, 91308370, 182616740, 365233480, 392625991, 785251982, 1570503964, 1963129955, 3141007928, 3926259910, 7852519820, 15705039640]

約数ペア:

[(1, 15705039640), (2, 7852519820), (4, 3926259910), (5, 3141007928), (8, 1963129955), (10, 1570503964), (20, 785251982), (40, 392625991), (43, 365233480), (86, 182616740), (172, 91308370), (215, 73046696), (344, 45654185), (430, 36523348), (839, 18718760), (860, 18261674), (1678, 9359380), (1720, 9130837), (3356, 4679690), (4195, 3743752), (6712, 2339845), (8390, 1871876), (10883, 1443080), (16780, 935938), (21766, 721540), (33560, 467969), (36077, 435320), (43532, 360770), (54415, 288616), (72154, 217660), (87064, 180385), (108830, 144308)]