31477120

素因数分解:

$2^7\times 5^1\times {\mathrm{137}}^1\times {\mathrm{359}}^1$

素因数の和:515

約数の個数: 64

約数和(自身を含む): 76010400

約数和(自身を除く): 44533280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 274, 320, 359, 548, 640, 685, 718, 1096, 1370, 1436, 1795, 2192, 2740, 2872, 3590, 4384, 5480, 5744, 7180, 8768, 10960, 11488, 14360, 17536, 21920, 22976, 28720, 43840, 45952, 49183, 57440, 87680, 98366, 114880, 196732, 229760, 245915, 393464, 491830, 786928, 983660, 1573856, 1967320, 3147712, 3934640, 6295424, 7869280, 15738560, 31477120]

約数ペア:

[(1, 31477120), (2, 15738560), (4, 7869280), (5, 6295424), (8, 3934640), (10, 3147712), (16, 1967320), (20, 1573856), (32, 983660), (40, 786928), (64, 491830), (80, 393464), (128, 245915), (137, 229760), (160, 196732), (274, 114880), (320, 98366), (359, 87680), (548, 57440), (640, 49183), (685, 45952), (718, 43840), (1096, 28720), (1370, 22976), (1436, 21920), (1795, 17536), (2192, 14360), (2740, 11488), (2872, 10960), (3590, 8768), (4384, 7180), (5480, 5744)]