161061760

素因数分解:

$2^7\times 5^1\times {\mathrm{359}}^1\times {\mathrm{701}}^1$

素因数の和:1079

約数の個数: 64

約数和(自身を含む): 386661600

約数和(自身を除く): 225599840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 359, 640, 701, 718, 1402, 1436, 1795, 2804, 2872, 3505, 3590, 5608, 5744, 7010, 7180, 11216, 11488, 14020, 14360, 22432, 22976, 28040, 28720, 44864, 45952, 56080, 57440, 89728, 112160, 114880, 224320, 229760, 251659, 448640, 503318, 1006636, 1258295, 2013272, 2516590, 4026544, 5033180, 8053088, 10066360, 16106176, 20132720, 32212352, 40265440, 80530880, 161061760]

約数ペア:

[(1, 161061760), (2, 80530880), (4, 40265440), (5, 32212352), (8, 20132720), (10, 16106176), (16, 10066360), (20, 8053088), (32, 5033180), (40, 4026544), (64, 2516590), (80, 2013272), (128, 1258295), (160, 1006636), (320, 503318), (359, 448640), (640, 251659), (701, 229760), (718, 224320), (1402, 114880), (1436, 112160), (1795, 89728), (2804, 57440), (2872, 56080), (3505, 45952), (3590, 44864), (5608, 28720), (5744, 28040), (7010, 22976), (7180, 22432), (11216, 14360), (11488, 14020)]