68154880

素因数分解:

$2^9\times 5^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:439

約数の個数: 80

約数和(自身を含む): 165971520

約数和(自身を除く): 97816640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 337, 395, 512, 632, 640, 674, 790, 1264, 1280, 1348, 1580, 1685, 2528, 2560, 2696, 3160, 3370, 5056, 5392, 6320, 6740, 10112, 10784, 12640, 13480, 20224, 21568, 25280, 26623, 26960, 40448, 43136, 50560, 53246, 53920, 86272, 101120, 106492, 107840, 133115, 172544, 202240, 212984, 215680, 266230, 425968, 431360, 532460, 851936, 862720, 1064920, 1703872, 2129840, 3407744, 4259680, 6815488, 8519360, 13630976, 17038720, 34077440, 68154880]

約数ペア:

[(1, 68154880), (2, 34077440), (4, 17038720), (5, 13630976), (8, 8519360), (10, 6815488), (16, 4259680), (20, 3407744), (32, 2129840), (40, 1703872), (64, 1064920), (79, 862720), (80, 851936), (128, 532460), (158, 431360), (160, 425968), (256, 266230), (316, 215680), (320, 212984), (337, 202240), (395, 172544), (512, 133115), (632, 107840), (640, 106492), (674, 101120), (790, 86272), (1264, 53920), (1280, 53246), (1348, 50560), (1580, 43136), (1685, 40448), (2528, 26960), (2560, 26623), (2696, 25280), (3160, 21568), (3370, 20224), (5056, 13480), (5392, 12640), (6320, 10784), (6740, 10112)]