71802640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1409}}^1$

素因数の和:1449

約数の個数: 120

約数和(自身を含む): 209283480

約数和(自身を除く): 137480840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1274, 1409, 1456, 1820, 1960, 2548, 2818, 3185, 3640, 3920, 5096, 5636, 6370, 7045, 7280, 9863, 10192, 11272, 12740, 14090, 18317, 19726, 22544, 25480, 28180, 36634, 39452, 49315, 50960, 56360, 69041, 73268, 78904, 91585, 98630, 112720, 128219, 138082, 146536, 157808, 183170, 197260, 256438, 276164, 293072, 345205, 366340, 394520, 512876, 552328, 641095, 690410, 732680, 789040, 897533, 1025752, 1104656, 1282190, 1380820, 1465360, 1795066, 2051504, 2564380, 2761640, 3590132, 4487665, 5128760, 5523280, 7180264, 8975330, 10257520, 14360528, 17950660, 35901320, 71802640]

約数ペア:

[(1, 71802640), (2, 35901320), (4, 17950660), (5, 14360528), (7, 10257520), (8, 8975330), (10, 7180264), (13, 5523280), (14, 5128760), (16, 4487665), (20, 3590132), (26, 2761640), (28, 2564380), (35, 2051504), (40, 1795066), (49, 1465360), (52, 1380820), (56, 1282190), (65, 1104656), (70, 1025752), (80, 897533), (91, 789040), (98, 732680), (104, 690410), (112, 641095), (130, 552328), (140, 512876), (182, 394520), (196, 366340), (208, 345205), (245, 293072), (260, 276164), (280, 256438), (364, 197260), (392, 183170), (455, 157808), (490, 146536), (520, 138082), (560, 128219), (637, 112720), (728, 98630), (784, 91585), (910, 78904), (980, 73268), (1040, 69041), (1274, 56360), (1409, 50960), (1456, 49315), (1820, 39452), (1960, 36634), (2548, 28180), (2818, 25480), (3185, 22544), (3640, 19726), (3920, 18317), (5096, 14090), (5636, 12740), (6370, 11272), (7045, 10192), (7280, 9863)]