165831680

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{661}}^1$

素因数の和:700

約数の個数: 132

約数和(自身を含む): 463448988

約数和(自身を除く): 297617308

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 661, 784, 896, 980, 1024, 1120, 1280, 1322, 1568, 1792, 1960, 2240, 2560, 2644, 3136, 3305, 3584, 3920, 4480, 4627, 5120, 5288, 6272, 6610, 7168, 7840, 8960, 9254, 10576, 12544, 13220, 15680, 17920, 18508, 21152, 23135, 25088, 26440, 31360, 32389, 35840, 37016, 42304, 46270, 50176, 52880, 62720, 64778, 74032, 84608, 92540, 105760, 125440, 129556, 148064, 161945, 169216, 185080, 211520, 250880, 259112, 296128, 323890, 338432, 370160, 423040, 518224, 592256, 647780, 676864, 740320, 846080, 1036448, 1184512, 1295560, 1480640, 1692160, 2072896, 2369024, 2591120, 2961280, 3384320, 4145792, 4738048, 5182240, 5922560, 8291584, 10364480, 11845120, 16583168, 20728960, 23690240, 33166336, 41457920, 82915840, 165831680]

約数ペア:

[(1, 165831680), (2, 82915840), (4, 41457920), (5, 33166336), (7, 23690240), (8, 20728960), (10, 16583168), (14, 11845120), (16, 10364480), (20, 8291584), (28, 5922560), (32, 5182240), (35, 4738048), (40, 4145792), (49, 3384320), (56, 2961280), (64, 2591120), (70, 2369024), (80, 2072896), (98, 1692160), (112, 1480640), (128, 1295560), (140, 1184512), (160, 1036448), (196, 846080), (224, 740320), (245, 676864), (256, 647780), (280, 592256), (320, 518224), (392, 423040), (448, 370160), (490, 338432), (512, 323890), (560, 296128), (640, 259112), (661, 250880), (784, 211520), (896, 185080), (980, 169216), (1024, 161945), (1120, 148064), (1280, 129556), (1322, 125440), (1568, 105760), (1792, 92540), (1960, 84608), (2240, 74032), (2560, 64778), (2644, 62720), (3136, 52880), (3305, 50176), (3584, 46270), (3920, 42304), (4480, 37016), (4627, 35840), (5120, 32389), (5288, 31360), (6272, 26440), (6610, 25088), (7168, 23135), (7840, 21152), (8960, 18508), (9254, 17920), (10576, 15680), (12544, 13220)]