68155280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{44839}}^1$

素因数の和:44871

約数の個数: 40

約数和(自身を含む): 166804800

約数和(自身を除く): 98649520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 44839, 89678, 179356, 224195, 358712, 448390, 717424, 851941, 896780, 1703882, 1793560, 3407764, 3587120, 4259705, 6815528, 8519410, 13631056, 17038820, 34077640, 68155280]

約数ペア:

[(1, 68155280), (2, 34077640), (4, 17038820), (5, 13631056), (8, 8519410), (10, 6815528), (16, 4259705), (19, 3587120), (20, 3407764), (38, 1793560), (40, 1703882), (76, 896780), (80, 851941), (95, 717424), (152, 448390), (190, 358712), (304, 224195), (380, 179356), (760, 89678), (1520, 44839)]